W126 fuel distributor adjustment. However the air sensor plate is not moving freely.

Jul 13, 2004 · There's an, adjustment screw with a locking nut at the lect rear of the fuel distributor, but not sure if this will change pressure, or how to check pressure and what to set it at. Replaced the ICM and I then had spark. These are $1300 with $300 for your core, remanufactured from companies like Fuel Injection Products. You will save $$$. If the filter wasn’t there, everything from the fuel distributor, to the injectors and even the warmup regulator would become clogged and/or damaged. Jun 7, 2024 · Explore everything about Mercedes fuel distributors, including rebuild guides, adjustment tips, and system overviews. Aug 14, 2002 · You can determine whether the FD is dumping fuel into one (or more) cylinders by swapping fuel lines with the next cylinders injector. However I would try to just get the distributor rebuilt first and hold off on injectors if cost is a concern. I am guessing that I can just stretch the spring to make it longer. The engines cranks, there is spark, the fuel pumps start up, there is fuel pressure, but it looks like the fuel is not distributed evenly to all Aug 7, 2008 · W126 S,SE,SEC,SEL,SD,SDL Class. I then adjusted the sensor plate adjustment screw to get 3 mm play of sensor plate. Nov 13, 2014 · You don't need to send in the entire fuel plate assembly, just the distributor and EHA (black box screwed onto the side). Slowly turn the adjustment clockwise until you just hear the injectors start to spray, then back it off half a turn so they are silent. A good rebuild should come with the correct set pressure (avoid Python rebuilds). Car did not start but I believe I flooded the engine with the previous adjustments. It's the "muscle" for the ECU's "brains". Thank you! Feb 12, 2021 · Next step is to slowly put the fuel distribution unit onto the housing. Hand over $2200. Perhaps the kit is made of material friendly to these days' fuel or something dunno. Oct 8, 2022 · As someone already pointed out. I am getting fire and gas to fuel distributor. We have: overhauled the fuel distributor. 0L M103 starting in 1986. The plunger is not froze and moves freely. 2-3. The fuel outlets for each cyl can be individually adjusted by first first removing the black caps next to the fuel outlets (3,5 mm allen). Repairing a fuel distributor is a precise job that requires basic metric tools, fuel pressure gauges, and some shop made tools. 5 because my car consumes a lot of fuel. Jan 29, 2013 · So I installed a rebuilt fuel distributor from Budz Benz & changed the fuel filter. Also, the older models use a fuel damper which the 1980 did not have and the fuel regulator is connected differently. The fuel distributor was removed and the frequency regulator and lines were missing when I got it. Diaphragm between upper and lower chamber likely leaking when car sits for a long time. 5bar) when the car is cold. The fuel pressure regulator is literally next to the fuel distributor. Jan 10, 2022 · I know left is lean and right is rich. W126 S,SE,SEC,SEL,SD,SDL Class R/C107 SL/SLC Class W163 M-Class W124 E,CE,D,TD Class W210 E-Class. One brand new retainer shim. 35 mm or closer to bottom edge of the plunger nut. However the air sensor plate is not moving freely. I would not try to adjust fuel distributor, airflow sensor plate or EHA until you verify that there is fuel going to the distributor Dec 22, 2015 · On the right of the fuel distributor you will see a bolt that you take out and connect the fuel distributor line that is is not isolated by the valve. Did you get a set of replacement fuel lines? Or test the fuel flow rate to the injectors? When you get to the point where you know the fuel flow to the injectors, you can remove the fuel distributor and make adjustments to each fuel line. New twin pumps and filter. 00 and we'll fix it. Remove fuel supply line for cold start valve from top of fuel distributor. Most people have one these days. V. 370 transmission from 500E (reinforced clutches), 2:82 Differential, Euro Headlamps, 1st Gear Start module, One-Touch Window module and Keyless Entry module all from BergWerks, Bilstein HD Shocks on front axle, H&R lowering springs front and rear, AMG 3-piece 17" rims, 8. 2: Jammed and/or sticking airflow sensor. You will notice that the fuel distributor has 8 fuel injection lines as well as 8 closing plugs with adjustable Allen screws. Very smooth. As I own two KE Jetronic cars and one K Jetronic, It made sense to purchase some fuel pressure gauges. My first problem with this 83 500SL was no spark. 3-165 - Checking fuel pump relay with electronic rpm control (breakaway speed) Assembly jobs * 07. Finding fuel pump relay and jumping pins 7 and 8 is the easiest way to force pumps to run. " Diagnosis? "Fuel Distributor. 7 volts on hot idle. Then, back the adjustment off 4 or 5 turns but be careful not to take the screw all the way out. The fuel distributor presents fuel into the combustion chamber but can fail over time due to deposits formed by oxidized fuel. 3. The fuel filter in KJet systems is very important. That is a safety system , in case you have a stuck open injector , so you dont fill a cylinder with gas and bend a rod when cranking . Set (19 pcs) of Copper and Aluminum seal rings for screws and connection ports. May 27, 2010 · Regards, Axel 1990 SEC, Arctic White w/gray interior, M119. 2116 Views 7 Replies 4 Participants Last post by bondavi, Mar 13, 2009 Jump to Latest L. IF you have the Fuel Pressure Regulator at the Fuel distributor. When I had a fuel distributor problem, I spent weeks searching the forum archive, reading up on the issue. Certainly the main line will be, because it will be longer. Bosch Fuel distributor In General: Mercedes-Benz and Bosch doesn't support the repair of fuel distributors. Feb 3, 2020 · Fuel Filter. Basically adjust potentiometer until you get . Find out whether one or more lines from the FD are dumping fuel, or injector(s) are bad. View and Download Mercedes-Benz 280 service manual online. Apr 5, 2017 · W126 S,SE,SEC,SEL,SD,SDL Class On M117, the 1 long metal line going from fuel distributor to the front of engine costs around 300 bucks, no kidding. If you decide to repair your fuel distributor you do so at your own risk. Jun 11, 2018 · I left the main inbound fuel line disconnected (with a plastic bag around it) and order de the new filter. Apr 7, 2007 · In this time, I've replaced the plugs, wires, cap, fuel pump/filter, relay, catalytic converter, and such. 3-205 - Renewing fuel Oct 21, 2018 · Thanks Djenka018, That totally confirms what I was seeing (but didn't believe!) - the simple statement that "the Fuel Pump Relay is really there to turn OFF the fuel pump" sums it up - I hadn't seen any mention of that anywhere else, and was finding it hard to believe that the relay was only activated when the safety switch was closed (i. 3-160 - Checking constant delivery of fuel distributor * 07. w126 560SEL Fuel Distrubutor. meter sensor, which is on the left side of distributor on my 560 I thought it might have something to do with my high idle, but I was wrong. - Oct 28, 2008 · OK, I got the Fuel Distributor off and it looks pretty good. And at this point, if things are correct, you should have the ~2-3 mm of free play. Hey Friends:)In this video I am replacing a fuel distributor on a W126 420SEL and Finally Going on a First Test Drive!We MUST SAVE CLASSIC CARS. This is the gizmo that takes the commands from the ECU and adjusts the fuel distributor pressure. Sep 27, 2010 · The fuel distributor just increases the amount of fuel to the injectors as the airflow sensor plate is drawn down. none-running engine) Aug 11, 2012 · 1: No fuel pressure, or less than 50 PSI. The EHA valve makes adjustments between the two chambers in the fuel distributor. One way to deal with a car this screwed up is get it running and get it hot then tune it to run right. 1988 M-B 300 SE, Signal Red/Black 1990 BMW 325i Depending on service performed, maintenance versus fuel distributor replacement, adjustment should not require more than 1/2-turn movement for original fuel distributor. so let me know where to start. I have replaced or repaired the fuel accumulator, the warm up regulator, the auxillary air valve and lots of worn or perished vacuum lines. The first of these is the distributor cap. Hot start issues may pertain to the fuel accumulator. Mar 28, 2004 · 190E 2. One O-ring for connection between fuel distributor and Air Flow Meter. The M110 . Jul 29, 2021 · Fuel Distributor with electronic valve Jump to Latest Follow 679 views 4 replies 5 participants last post by Martin_UK Jul 29, 2021 Repair Kit for a Eight Cylinder Alloy Bosch KE-Jetronic Fuel Distributor One O-ring (Viton) for adjusting screw and One (Aluminum) W126: 10/1985 - 08/1987 Aug 29, 2023 · Mercedes Ke-Jetronic - No fuel flow from fuel distributor to the injectors/my answer to the questionIf you would be kind to support the channel you can do it Nov 12, 2010 · I have a 1988 560SEL fuel distributor is plugged I believe, There is not enough fuel coming out of the injector lines. Having spent so much money and not getting the car fixed, I finally broke down and had it towed to the "stealership. I could probably use a better term like “bottom half” though. thanks for posting this. Its held on by three torx bolts. This will relieve the control pressure. Have someone check/ adjust the "duty cycle" Before you replace any parts. net One O-ring for control plunger inside fuel distributor (Viton) One O-ring for connection between fuel distributor and Air Flow Meter. This way, it will raise the piston in the middle to allow controlled pressure fuel to return to the return fuel line, thus reduce the initial control pressure. Set (13 pcs) of Copper and Aluminum seal rings for screws and connection ports. i never knew that this is inside that black plastic. 8 cu in) displacement, 86 mm bore with 78. Deposits can, for instance, narrow the 0. From what I read on this forum cold start issues may pertain to the fuel pressure regulator. Also for: 280 c, 280 ce, 280 s, 280 se, 280 e, W124, 260e 4matic, 260e Feb 9, 2019 · Fuel Injection Idle Air Control Valve Hose, Part # 1030940482 Fuel Injection Idle Air Control Valve Hose, Part # 1030941382 Air hose connector, Part #: 102-094-02 Step 1: disconnect the battery. Aug 8, 2004 · narcelnicdao23 - 8/8/2004 4:38 PM [] i'm a newbie and i need help on my 190e 2. You can then try to disconnect the fuel inlet or outlet of the fuel distributor to measure flow volume or fuel pressure. I had started my 89 560 SEL by jumping the fuel pump relay and in fact drove it for three days this way, making sure to disconnect that jumper every time I shut the car off. Now you have to locate the x11 connector on the driver side fire wall. To prime , it happen when you crank / start car with everything connected Fuel May 24, 2009 · When I had a fuel distributor problem, I spent weeks searching the forum archive, reading up on the issue. although it seems to me more the fuel distributor adjustment screw. leerandallstewart Discussion Jun 27, 2008 · 4) Adjust the fuel mixture screw (remember you have to push down a bit harder to get the allen key to engage) so that the fuel stops coming out of the fuel distributor 5) Remember if you deflect the air balance too far whilst adjusting the mixture screw you will always get fuel to come out! The "tap" is open. Spark plugs are dry. frustrated to get the fuel mixture to change, i one day decided to keep using different size Dec 3, 2018 · The list price on a fuel distributor is $2,600. Nov 17, 2014 · This makes it so at the zero position, the fuel is at the injectors ready to go but does not have enough pressure to make the injectors open, as soon as the airflow sensor plate is deflected, the fuel pressure increases exponentially causing the pressure to surpass the level where the injectors open (& start to chatter). Use M12 X 1. 4. Because you don't run your car often, your fuel system may be gumming up. They are pretty robust and can be easily cleaned. I would really just like to start from scratch with the fuel adjustment, but I don't know if there even is a base setting. What do you think? W126 S,SE,SEC,SEL,SD,SDL Class R/C107 SL/SLC Apr 18, 2013 · The part next to the fuel pumps and fuel filter would be the fuel accumulator. comIndependent Mercedes Benz diagnostic and repair service Jun 19, 2021 · Below are two pics taken with a device called a Cell Phone with a built in Camera. Feb 28, 2014 · W126 S,SE,SEC,SEL,SD,SDL Class Fairly large problem with fuel distributor adjustment Fairly large problem with fuel distributor adjustment. Air Flow Sensor Jun 21, 2005 · Check operation of all fuel injection parts including cold start device, leaky injectors, noisy fuel pumps. ": Another reason for a duty cycle preferably below 50% is contamination. Connect "B" to the return fuel line. They were about $100 USD. Dec 31, 2023 · Swapping the injectors did not make an appreciable difference in fuel flow, which is to be expected, because the differential pressure valves should minimize the effects of variations in injector opening pressures. The fuel distributor shut any injectors lines that have no pressure . Also check for proper centering and rest height. Or, you can reference the Duty Cycle and see what the DC does at 2500rpm compared to Apr 12, 2008 · One hose goes to the fuel line that is on top of the fuel distributor, the other goes to the input of the warm up regulator. I would check the Fuel Pressure Regulator beside the Fuel Distributor, they go bad and leak raw fuel through the Fume pigtail hose to the Valve Cover Vent hose. Jul 25, 2010 · Everything points at the fuel pump relay. Jul 17, 2019 · For example, the fuel distributor is split in half into a top part of the bottom part. As a tech I would want to verify the repair and check the injectors with a good distributor first. Fuel accumulator original. Discovered adjustment procedure. It has not been tested but can easily be rebuilt. I recently solved a poor idle problem by adjusting the idle screw accessable from the top of the air cleaner (not sure if this has anything to do with the car Sep 4, 2018 · Hello, my W126 (300SEL) M103 engine is so weak to accelerate and take a long time to take off, its so smooth on idle and starts from the first crank sometimes from the second time, recently i replaced the wires, distributor cab and the ignition rotor, new injectors with seals and holders, but when i step on the gas its so heavy to take off. It sets the difference in fuel pressure between upper and lower chambers. Also, they calibrate each unit to be sure that each injector is getting the proper amount of fuel. To reiterate some things. Here’s your chance to get a clean one. [W126 1982 to 1984] Jumper jacks 7 and 8 of the fuel pump relay socket so the fuel pump stats running and doing that buzzing sound. No EHA either. I believe it is the fuel distributor. at least now I know why my fuel mixture adjustment was so off. I used anti seize on all the bolts. Brand May 26, 2022 · Is the fuel pressure from pump to fuel distributor good? you have an accumulator at the rear of the car if the diaphragm is leaking internally ie bypassing pressure you need to check that too, FUEL INJECTOR opening pressure is approx 4. leads/ dizzie etc (not coil). Mar 3, 2014 · Mine did this and the fuel mixture was adjusted too lean. Wheels Magazine awarded it the car of the year in 1981, a controversial choice for such an expensive car. If the car still smokes and runs rich I suspect your problem is with the mixture adjustment or with the fuel distributor itself. Usually the fuel distributor will come with an EHA valve on it. Connect fuel pressure gauge line "1" or "A" to test port in lower chamber of fuel distributor. If the vent is leaking fuel, the flow/pressure may not be making it to the Fuel Distributor. Remove threaded pipe plug from test port in lower chamber of fuel distributor. 6 or 3. item 7 86-93 MERCEDES W124 W126 300TE 300E MOTOR ENGINE FUEL DISTRIBUTOR & AIR FLOW OEM Nov 19, 2014 · Excellent Fuel Distributor rebuilt write up and pictures in post 17. Any help or suggestions to get the car going would be greatly appreciated. Here's a brief summary: 1990 500SE 125k miles Hesitation and loss of power when trying to accelerate at full throttle All ignition parts replaced New mesh fitting on fuel intake to distributor Fuel pumps & filter replaced Feb 15, 2022 · The distributor on the W126, like any distributor on any car, plays an important role in the smooth and efficient running of the engine, and while the distributor itself should last the life of the car, there are several components on or in it that wear out, need servicing or replacement over time. All M110 engines have a (170. Nov 26, 2018 · Try this: remove one of the injector hardlines from the fuel distributor. Aug 13, 2014 · current stable 2010 glk350-86 300e-88 300e white-66 220seb-74 230- 2012 chevy cruze eco wifes commutor 40plus mpg on regular. Check the vacuum distribution hoses that run on the inside of the cam covers. next I need to adjust fuel pressure since I just replaced EHA that sprung a leak. Jump to Latest Follow Dec 9, 2012 · I knew the fuel relay was the problem as far as getting fuel up to the distributor. May 18, 2008 · * 07. Sep 14, 2012 · Fuel Hose - Fuel Cooler to Return Line - 126 470 27 75 Fuel Hose - Fuel Distributor to Fuel Cooler - 126 470 33 75 Fuel Hose - Main Fuel Line to Fuel Distributor - 126 470 35 75 I have a 560 coupe, and yours may be different. Find many great new & used options and get the best deals for Flow Divider Fuel Distributor Bosch 0438101012 MERCEDES W126 at the best online prices at eBay! Nov 20, 2019 · The second video was on KE Jetronic EHA adjustment. One of the notices in the box was that you would have to adjust the setting of the May 12, 2021 · www. Nov 30, 2019 · The hose going from the fuel distributor to the cooler: A1264703375 In case you want to do the job right and complete, consider changing at the same time the line from the cooler to the hard piping (gas return line to the tank): A1264702775 Apr 25, 2008 · After fitting the fuel distributor did you adjust the mixture screw, the 3mm allen adjustment that sits in front of the fuel dist ? That will need adjusting when you play with fuel dist as there will be a change in the fuel /air mixture required due to change. Jan 19, 2013 · Fuel Distributor rebuild Professional instructions & detailed pics of how to DIY completely and properly rebuild your fuel distributor the "proper & thorough way" without doing any damage or harm including retaining your existing FD metering settings if they were good prior to opening it up. There is an adjustment to the electro-hydraulic actuator (EHA) that hangs off the back side of the fuel distributor. Fuel line to distributor. The first pic is of a Mercedes W126/M117 Factory Service Manual. Even if you acquire a nice 380 like Kent's Cherry you are going to need some or all of these components ( unless of course it was recently done by Aug 30, 2012 · The settings on the EHA valve have to be fine-tuned for each car and Distributor. Let's start with this: if your air flow plate was wrong, you have to adjust your air flow plate to the proper position. Oct 21, 2005 · Take of your air cleaner and you'll see a "steel" tower next to the fuel distributor. Assembly & adjustment of the fuel distributor according to manufacturers specifications 4. Jan 22, 2009 · Mercedes-Benz Sedan / Coupe / Wagon Forums. We now only sell the "complete" kit as we have learned most will need the new factory hose and accumulator anyway. BUT NOT pressure in the pipes to the injectors, regardless if I move the air mass sensor plate by hand. 008“) wide vertical metering slits through which the fuel flows from the control plunger side into the upper chambers of the fuel distributor’s pressure differential valves. May 4, 2011 · After running through the usual suspects such as fresh oil/filter, new spark plugs, verifying no vacuum leaks, verifying acceptable spark timing, and verifying EGR operation, I ran the car on injector cleaner (the kind with a small bottle of lovely bioaccumulative chlorinated solvents hooked directly to the fuel distributor and powered by Dec 5, 2019 · When pumps running and plate depressed fuel should flow out of the ports if lower camber pressure is low enough not to block the head ports and system pressure reaches the distributor. Top Contributors this Month Dec 29, 2011 · On the fuel distributor is a large brass nut to access the main pressure valve that's adjusted with shims / rings. Jump to Latest 670 views 11 Jun 15, 2020 · That WHAT is I need help with fuel distributor (and air handler) install onto an 82 380SL. This repair kit is suitable for the following Bosch Fuel distributors numbers: Aug 17, 2022 · W126 S,SE,SEC,SEL,SD,SDL Class. W126 S,SE,SEC,SEL,SD,SDL Class R/C107 SL/SLC Class W163 M-Class W124 E Nov 17, 2021 · If the shop is versed in KE fuel injection it vary well might need a fuel distributor. There’s an adjustment screw at each connection, but on the bottom (between the FD and the air mixture). mercedes benz w126 distributor replacing w126 distributor cap and rotor fuel distributor 1992 300ce fairly large problem with fuel distributor adjustment w126 88 300sel fuel accumulator 1990 560sel idle distributor eha. Therefore, variations in fuel flow were isolated to differences in the 4 circuits of the fuel distributor. I'm guessing that every movement of the wiper shaves off a thin layer and in time this alters the resistance of the potentiometer which affects the fuel mixtur Jan 23, 2006 · If you changed the fuel distributor did you adjust the rest position of the air flow sensor plate? The W126. Remove the air cleaner and loosen the center line on fuel distributor. with no injectors on , you get zero fuel . It is just to the left a d down from the cold start line. can somebody please show me the way how to do the Jun 7, 2024 · Ok. 3 to 4. We bought a bunch of glass salt shakers at a 99 cent store, inserted one fuel line / injector into each, disconnected the coil, and cold cranked the engine to see how even the fuel output was across all 8 cylinders. Results of inspection: significant dried fuel seepage at fuel distributor. The adjustment nut is located inside at the bottom of that tower. There are diy threads here and videos on YouTube for this. Jun 2, 2017 · It's not a hit and run thing. Repair Kit for Bosch Fuel Distributor 0438101018 Mercedes-Benz 420/500 SE,SEL,SEC Roadster 09/1985 - 06/1991 Find many great new & used options and get the best deals for 0438100087 Repair Kit for Bosch Fuel Distributor MERCEDES 380 W126 W107 at the best online prices at eBay! Free shipping for many products! Jun 2, 2013 · Hey guys,,,I had have a classic problem with engine, when cold its start normally,,,but after park when engine hot/warm,,,it difficult to star,,,when the engine on,,thr RPM will up and down about 10 minutes before they stay at 1000 RPM,,,,then oneday,,,my mechanic solved the hot problem by adjusting the screw on this fuel pressure regulator,,, Feb 15, 2012 · Fuel Distributor Jump to Latest 665 views 3 replies 3 participants last post by AussieSnap Feb 16, 2012 One O-ring for control plunger inside fuel distributor (Viton). May 27, 2012 · KE-Jet- Changes in lower chamber pressure performs the same functions of mixture leaning and enrichment as control pressure does on the earlier Bosch K-jet system. I have been trying to correctly connect up all the thin hard plastic air/vacuum hoses connecting various parts of the fuel injection system etc. In fact, if you have the original Mercedes-benz owner manual, there is an interesting graph in it that shows fuel consumption of the M110, M116 and M117 (at least in my booklet). 3-205 - Renewing fuel Mar 20, 2005 · W126 S,SE,SEC,SEL,SD,SDL Class done it – I recall reading somewhere about the adjustment while searching for your answer. The Frequency valve is in parallel to the control pressure circuit from the "WUR Nov 27, 2004 · I am a new member out of Los Angeles, Ca. Aug 23, 2007 · I don't rebuild my own fuel distributors. I set it where the engine was rich at idle then backed the adjustment off till the O2 sensor started to swing rich/lean. I would appreciate info re. Rarely this adjustment is the culprit when it comes to bad running; vacuum leaks, bad WUR and other components, wrong fuel pressure etc are more suspect. Apply pressure with finger tip placed on the center bolt. All tools and equipment are listed on Jul 9, 2022 · Right now things seem to be okay after the subject adjustment. Feb 7, 2013 · A small vacuum leak will create a high idle issue , a big one will result in it not wanting to run at all. The second pic is a page from the FSM that shows (drum roll) a fuel distributor and air meter. Engine oil and filter must meet factory standards and be kept clean. You are now good to go so you cabpn reattach all the fuel lines, injector lines, connect the eha and the potentiometer. Will do that shortly. I simply took some apart that weren't working properly. Find many great new & used options and get the best deals for 86-91 MERCEDES W126 Bosch Fuel Distributor 0438101018 at the best online prices at eBay! Free shipping for many products! Mar 11, 2009 · 1988 560 SLC Fuel Distributor Adjustment Help. euro w126 with m110 engine Apr 27, 2021 · silly , to do this test you have to have the injectors connected . i need to know how to adjust or tighten the idle valve to decrease it fuel consumption. Remove the fuel hoses from both sides (fuel distributor and injection side), mark them first from 1 to 6 on the fuel distributor and the hoses using a Sep 5, 2010 · Well, Im an idiot beacause I tried swapping out my pot. Does fuel come spilling out? If so, you're too rich. Thanks ,horstk@sbcglobal. 1788 Views 12 Replies 6 Participants Last post by aam, Aug 15, 2008. Have a friend jump the fuel pump and observe the hole. Sep 28, 2004 · I stumbled across a paragraph on M103 drivability & the problems described fit me to a T. 8 mm stroke and a pressure circulation lubrication system. It does this by adjusting the opening clearance of the individual differential pressure valves in the fuel distributor rather than adjusting the resistance pressure on top of the piston. The EHA valve retails for $374. between it and the fuel Used and untested original Bosch fuel distributor for the late version W126 and the R107 SL. I replaced the fuel pump check valve, pressure regulator and cleaned the idle air valve all to no avail. a. Replace/Remove Accumulator. So either the regulator or fuel distributor is clogged Someone please let me know if you have had any encounter with this or know of it. Nov 2, 2023 · I turned the key on to energize the fuel pumps three times. For all of you to understand the system in brief - Developed in 1973 and being mounted into cars up to Find many great new & used options and get the best deals for 1986-1991 MERCEDES BENZ W126 420SEL 560SEL 560SEC FUEL DISTRIBUTOR 0438101018 at the best online prices at eBay! Free shipping for many products! MERCEDES Genuine Air Flow Meter Adjustment Tower Kit 1160700274 W126. Jonathan Nov 19, 2008 · If it's not that pressure, you can adjust it by washers on the fuel distributor (search elsewhere on this forum for this adjustment). The final, and rare, failure is that the Main Fuel Pressure Regulator is sticking and will not allow fuel to bypass. If the problem follows, the FD is dumping fuel, if it doesn't its only a leaking injector. RestoreYourMercedes. 1970 gmc 2500- 2002 gmc 2500hd duramax/allison-50s something willeys pickup-74 harley fxe-92 harley flhtcu ultra classic-2017 harley road glide special- 2018 road glide special-98 special construction harley powered. Test the fuel pump (all 190s) and pre-pump (of those 190s that have two pumps) and do a fuel pressure and volume test. . I have a 380sl with a 1980 450 motor in it. 3 fuel adjustment. 6L M103 while . Vader Benz Discussion Starter Mar 7, 2019 · At the weekend I was working with plunger bottom stop position in order to get cranking time shorter. OEM. 3-152 - Testing, adjusting throttle valve switch * 07. Dec 9, 2022 · The calibration is for the fuel flow. 92x and . The #4 port of the FD malfunctioned and caused the #4 cylinder flooded. 960 326 Hp. One O-ring (Viton) for adjusting screw and One (Aluminum) seal ring for cover screw of EHA. Apr 13, 2020 · They inspected the fuel distributor, EHA, fuel pump package and checked for vacuum leaks and checked on off ratio. The adjustment modifies the relation of the airflow sensors deflection to the fuel valve, hence adjusting the A/F ratio. Feb 7, 2006 · fuel distributor problem Jump to Latest 1K views 2 replies 2 participants last post by mercedes84black Feb 8, 2006 Fuel Injection for Mercedes-Benz S-Class (1981-1991) W126: Fuel Injection Plenums May 11, 2009 · The only thing that can be adjusted is the little spring on the right. Or you can not touch those adjustment screws and go with a "it was good enough before" mentality. Aug 23, 2012 · Here's what's been replaced or repaired so far: Distributor cap, spark plugs, wires, IAC (cleaned), all vacuum hoses checked, air filter, fuel filter, EHA valve, checked OVP, and repaired fuel pressure regulator vacuum line. Jumper the fuel pressure relay. May 27, 2012 · Generally speaking, to correctly adjust the EHA, it requires a duty-cycle measurement, current measurement at the two prongs of the EHA, and a fuel pressure measurement to measure the differential pressure at the fuel distributor. Mercedes OEM. none to cylinders though as the car does not attempt to start. please help me on this Dec 20, 2023 · Replaced potentiometer. SEE RELATED PRODUCTS. If it cannot be tuned to run right then look into the feedback system (computer - gee I liked NOT having one, since it makes it so much easier) or the cold start regulator (still being on Fuel System for Mercedes-Benz S-Class (1981-1991) W126: Fuel Lines Nov 9, 2005 · W126 S,SE,SEC,SEL,SD,SDL Class adjusting fuel air mixture ratio. Oct 22, 2023 · My topic is the KE-Jetronic injection system which I try to demystify as much as I can. I have two electric fuel pumps from a W124 300E and I was wondering if there is a way I can install these pumps into my car to fix the fuel delivery issue I have. I have owned W 126's from day one in the USA. If you disconnect the EHA you will remove all of the sensors from the equation. Jun 8, 2008 · * 07. Don't ask how Jun 22, 2009 · Also, no one told me what that bolt is on the side of the distributor or whether or not that ball bearing looking ball should be in that column, I was told there should be an adjustment screw there. Then you reset the fuel distributor flow using the 3 mm tower. engine from 1992 500 SL, 722. I have been searching for quite sometime now on how to perform the timing adjustment to the 560. Don't bother with used - 75% of the time the junkyard units are bad and/or leak. Start turning the air metering screw counter clockwise SLOWLY like 1/64th a turn until it barely touches the very top of the hole. Sep 27, 2010 · I have decided to rebuild the fuel distributor for my 85' 380SL myself. May 24, 2007 · 560 Fuel Starvation I have a 560 SEL which will start and run well up to 40 mph when it will hunt and surge and try to stall. 5/M8 X 1 Reducing Bushing (102 589 06 63 00) to connect hose to chamber port. So my plan now is to soak the distributor and spray carb cleaner on the pivot of the air sensor to remove the varnish. Distributor and plugs OK. I have some starting issues that are related to the fuel delivery system. 7 with used injectors , get a fuel gauge to perform tests , you can also do a fuel supply test should pump out 1 liter of fuel in 20 seconds Apr 14, 2021 · Mercedes Ke Jetronic- CO/mixture screw adjustment(air-fuel ratio adjustment) Sensor plate adjustmentIn this video we are going to talk again about the mechan Jun 14, 2015 · I have a 79 K jet, so I suspect it is similar to your 126. This evening installed the new filter, 4 days later and tried to start the car, nothing. We are happy to advise you on our telephone 0049 38209 490320. Of course pumps run briefly as ignition is turned on as you can hear. Each line has its own adjustment screw, adjusting the fuel flow for each line. Oct 24, 2016 · I’d like to add some content to the above "i. All the lines should flow with a 10% margin for difference. All 380SL, 380SE, and 380SEL owners take note. W126 S,SE,SEC,SEL,SD,SDL Class Sep 23, 2007 · Beside the air fuel mixture adjustment, the main pressure valve in the 380/500 fuel distributor is adjusted by adding or subtracting small washers. Brand New. 4 bar of control pressure when the car is at operating tempearture, and much less pressure (as low as 1. Everything from the filter onwards runs at very fine tolerances, and any fine particles in the fuel will cause havoc. Now its out of adjustment, and feels like I have dead spots in my pedal, and uneven acceleration. That is called by most as connection "A". Does this sound like a fuel or Jul 5, 2024 · The fuel distributor plays an important role in the smooth and efficient running of the engine. Looks like rebuilding the distributor 8 years ago is holding it up to have good emission leaning it down. Do some searching on air/fuel mixture and you will find some good write-ups on the subject and how to adjust properly. Does this seem A-OK? It will not hurt the distributor to soak will it? Kim Feb 24, 2011 · M103 Fuel Distributor adjustment. Perform a pressure and volume test. The fuel pressure to the injector is driven by the fuel distributor and metering device. For now, we are only going to use the top half of the warm up regulator. Also to stop fuel level from rising at the ports the bottom stop must be adjusted 0. now that I have 3 mm play at play, I will try to start in morning. 00 These are new from the dealer, You can price remanufactured fuel distributors from parts houses OR buy one from a salvage yard. These are just possibilities. Then the fun starts. When setting mixture initially, for example when fuel distributor has been replaced, it is perilous to attempt adjustment without CO meter. 2 mm (~ 0. e. You do this via the air flow plate adjustment pin. 280 automobile pdf manual download. 98x and . Oct 27, 2005 · Hi all, I have a 1985 280SE W126 (European) which has done 300 000+ km and was "worked on" by previous owners. The warm up regulator should give 3. I set the air plate adjuster screw by looking at the O2 sensor pattern on a scope as I do not have the on/off ratio tester for this car. Now you are ready to start your testing. " I said, mercedessource Product - NO LONGER AVAILABLE. 93x carburetor engines were superseded by the SOHC 2. 99x fuel-injected engines were replaced by 3. Oct 26, 2014 · 1) The K-Jetronic mechanical fuel injection system (similar to that used on the 1977, 78m and 79 450SL) 2) The "Frequency Valve" addition, which is essentially a modified ELECTRIC FUEL INJECTOR inserted into one of the lines of the K-Jetronic fuel distributor. I have disconnected the linkeage to the cruise control actuator also,. May 29, 2009 · The 1980 is the first year the 107sl used a Lambda sensor. 5" in the front and 10 Aug 18, 2021 · Ok. The adjustment screws underneath are 3 mm allen. Black exhaust smoke indicates excessive fuel usage and fuel injection problems. I had similar problem, all plugs fine except cylinder 5 plug always fowling, wet with carbon built-up. As a rough, you could use fuel pressure gauges and get the pressure difference referenced in the manual. Fuel pump is considered a routine replacement item every 100,000km to avoid being stranded. I have strong spark, fuel pumps working, pressure at the plug where You can meassure fuel pressure in lower part of fuel distributor, pressure in pipe to cold start valve. Nov 6, 2010 · 3. before when i running 200 kilometers on the road it only consumes 30 liters of gasoline now when running 200 kilometers it can take the 55 liters of gasoline. 2)Airflow sensor that is jammed and/or sticking Remove the airflow boot and loosen center hose on the fuel distributor to relieve control pressure. The adjustment area where fuel distributor seeps slowly fuel out of injector line ports seems to be rather large. the procedure of servicing,but most of all adjusting the fuel pressure of the fuel distibutor of my 1985 500 SEC. Bought the fuel distributor rebuilt kit and being I have 1980 450SL, your DIY tutorial and cis-jetronic support team made it quite simple. I would hate to put back the old distributor to get it to a shop Jan 3, 2012 · wow, that potentiometer really is worn. final functional test on Bosch test bench Alternatively, we offer to repair your fuel distributor. Oct 24, 2007 · ive done so much to try to cure this and still its too richi changed both pressure regulators, all injectors, put used frequency valve very loud buzz and can feel it working, got new idle control unit, and idle control valve havent messed with warm up regulator, took fuel distributor out cleaned the shaft put new spring in made sure little spinning gear that distributor sits on spins freely Find many great new & used options and get the best deals for 86-91 Mercedes W126 420SEL 560SL 600SEL Fuel Injection Distributor Throttle Assy at the best online prices at eBay! Feb 6, 2015 · You have to use a CO Sniffer to set the Duty Cycle and the A/F adjustment. Is is possible to turn the screw all the way one way or the other to start the adjustment cycle without the screw falling out completely. The Chilton deals with so many different models to be nearly useless. Essential info for Mercedes-Benz fuel systems. After taking apart the fuel distributor, I find a a small hole at the #4 port area of the diaphragm, which is a black fabric like material (the red arrow points to the hole in the picture). The first plug (without the valve) goes into the test port on the side of the fuel distributor. Jul 28, 2021 · I finally got around to carrying out a test of the fuel pressures, in order to diagnose an acceleration problem. Sep 9, 2006 · Hi Carl and friends I hate to tell you this but it is a fact that most of the time, the M110 uses nearly as much fuel as an M116. Last month I was able to drive the car around with it dieing, sounding like it wasn't getting enough fuel. Have bottled water in the car and it is steady at idle now. Apr 5, 2019 · I recently repaired various vacuum leaks for a 1991 500SL, mine being a 1992, and was informed that the guy who brought it to me had messed with the fuel distributor mixture screw instead of repairing the vacuum leaks. The test gauges plug in to the fuel distributor in two places. It was simply not getting the proper richer mixture to initially start. Apr 24, 2020 · At the weekend I was working with plunger bottom stop position in order to get cranking time shorter. I do not have any service manuals,but would like buy them. Feb 3, 2020 · This could also be caused by fuel bypassing the system via a leaking Fuel Accumulator. Jan 12, 2014 · Does anyone know how to jump or bridge the relay to adjust the fuel flow to the fuel distributor? Books say to jump pins #7 & 8 on the fuel pump relay but this car does not have one, it has a MAS relay. Feb 1, 2017 · Despite the newest examples being almost 30 years old, the Mercedes W126 is still a fairly common sight in Australia. Good luck! Aug 3, 2020 · I have a 1980 280S with the carburated M110 engine without electric fuel pumps. Jun 3, 2010 · Good evening, I have come from the porsche world and now own an 89 560SL. Aug 21, 2005 · 1)Lack of fuel pressure Test the fuel pump and pre-pump. I have done other repairs such as a tune up, fluid changes, and repaired the odometer. Made in USA. Mar 14, 2010 · All of the mixture control is done through the electrohydraulic actuator (EHA) on the side of your fuel distributor. New plugs . 3-200 - Removal and installation of mixture control unit * 07. I know that in truth there is no bottom chamber but in the bottom of the fuel distributor there is a port for the fuel injection pressure gauge. You need to cover all the basics first: plugs, distributor (is the vacuum advance working). Jump the fuel pump relays, you should hear the pump run. Sep 5, 2016 · Since it runs briefly without fuel pressure, do that to burn out all the excess fuel. On top of replacing the o-rings they replace the baffle which you can Not buy from Mercedes or Bosch. 3-199 - Survey mixture preparation * 07. Jan 25, 2005 · Shims are avail to adjust the fuel pressure regulator. qdqwfbk xao jefe pkm okb yozwg nworgzae htjc mux nouw