Mercedes m103 fuel injectors diagram Now, you can junk your entire KE-Jetronic CIS injection system thereby removing the fuel metering vain and get better flow in your intake manifold. If you have a fuel volume issue with the fuel distributor, the short run injectors will be favored over those that are furthest away. doc / . I have a 1990 300E. txt) or read online for free. Provide photos of the defect (if possible) along with an explanation of its nature. I’m providing repairs and adjustments of BOSCH CIS Jetronic fuel systems. Mar 11, 2021 · Jarod, through fortune (good or bad, I have yet to determine), I have been acquired by a 1985 W123 300TD wagon named “Olivia”. I was told this one was supposed to connect to the breather hose on the airbox, but I was under the impression that the breather hose was supposed to be connected to a Y splitter that had one line going to the fuel pressure regulator. Kit Mercedes M104. i'm beginer at motorsport and i'm planing to start from w201 with 3. maybe modify injection system, better injectors, bigger fuel pump don't know. 0E and Even Aston Martin Feb 27, 2004 · There would be no need to replace the fuel system or injectors on a M103 motor either, assuming 5-7 psi of boost. Suits the following vehicles fitted with the M103 engine:- W107 SL Some (1971 to 1989) W126 Sedans Some (1979 to 1991) W126 Sedans LWB Some (1979 to 1992) W126 Coupes Some (1980 to 1991) W461 G-Wagon Nov 23, 2024 · 6 x Bosch - Fuel Injector. 07. 07 - Mechanical/Electronic Gasoline Injection System (KE Injection) 09 - Air Cleaner; 13 - Accessory Belt; 14 - Intake Manifold, Exhaust Manifold, Emissions Control System; 15 - Engine Electrical System (Ignition System) 18 - Engine Lubrication, Engine Oil Cooler; 20 - Cooling System; 22 - Engine Mounts; 24 - Electrical Troubleshooting; 27 Reproduction Mercedes-Benz M103 Engine Fuel Injector Valve OE 1030780173. My M104 engine demanded injectors of about double the price of the earlier M103 injectors. tuning is gonna be difficult with the ke-jet but apparently there's this screw you can adjust to make the mixture richer or you can just swap it to efi. Very difficult cold starts, sluggish acceleration. Jun 24, 2024 · Yes fuel injector seals. If it doesn’t replace. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. Sep 24, 2003 · -injector seals-new radiator-new thermostat-new vacuum sensor on top of engine(has 2 vacuum lines coming out of it)-New fuel sending unit-Cleaned idle control valve-new 02 sensor-fuel mixture was corrected to spec-cleaned all electrical connections-new air filter-replaced #5 and #6 injector-cleaned throttle plate-new aux fan May 11, 2012 · Whilst waiting for the pump to pump fuel hose for the 91 300 TE, pulled the injectors and used carb cleaner with tube in each. Nov 19, 2010 · My uncle's 91 2. 0 liter inline six cylinder engine in 1985. Is this a reliable test? Pulled idle air control unit, sprayed with carb cleaner several times. I need the name and part number of the (what a appears to be) vacuum hose that goes from throttle body to the top of the sensor in the cylinder head. Aug 3, 2021 · The only thing missing is the answer to your question about base setting. Nov 10, 2011 · M103 Fuel injector disassembly Just received my new injectors and I can't quite figure out how to change the black insulator over onto the new injector. Mercedes started produced of the M103 3. 6 A set of necessary parts, instructions and our support that help in the conversion of mechanical injection into electronic, on a piggyback DEC driver with a loaded project and map Feb 6, 2009 · Salvage what you can (fuel distributor, fuel accumulator, fuel pressur regulator) and replace all hoses. The M103 E30 served as the basis for the creation of a 2. Mar 2, 2017 · In my case, the hot start would lead to misfiring until the leaked fuel had burnt off; thereafter OK. The M103 engine has unified design with 4-cylinder M102 series. Look at the spray pattern on the injector and it should be a fine mist and have a uniform cone shape. Its a stripped hose that comes from the upper port on the throttle body seen in the picture in the link. We offer R107 SL engine parts across the M103 3 litre straight-six, M110 2. If you suspect the injector gets controlled open while driving you can try driving with the cable disconnected. On earlier cars its powered directly from the ignition supply and its timing/switching is controlled by a thermo time switch which switches off after about 7/8 secs when the engine is cold or is disconnects the injector when the engine coolant is warmed up. With years of experience in maintaining, restoring, owning and selling the R107 SL, SLSHOP understands exactly what owners and restorers will require to perfect their vehicle’s engine. I’ve replaced the fuel pump, fuel filter, spark plugs, rotor cap and distributor, spark plugs wires and o2 sensor. Apr 28, 2016 · Your Mercedes 2002 SL500, 216 CL500, all fully loaded Your Mercedes W124 2. Feb 25, 2015 · COMB4 - Technical Modifications M103 Combustion IV KE Injection Or use the following for easier navigation: 07. 3 ran like crap for years. I can purchase one that i can fit . Distributor has been rebuilt it has a new fuel pump and filter. I did not do this one time, removed the FD, and bent all of my lines. Extra Information. 00. One of the most widespread issues with the system is that the injectors would become dirty and clogged. Hey Friends:)In this video I am working on my KE-Jetronic and installing new Bosch injectors. [junk yard ] . I’ve never read of the fuel pressure being so low. After replacing the O2 sensor, I went for a drive, and initially, everything seemed fine. Right now I have a very nice running 5 cylinder M103. 6 has a MAS relay. With a programmable EFI system and adjustable ignition timing you should get "fairly" close to you're 240HP (from the flywheel) goal. We have brand new genuine replacement injectors available. 14 System overview diagram NOTE:- whilst working on any fuel system, care and attention should be taken to avoid the petrol coming in contact with any source of ignition, this can include: hot engine components, High Tension (HT) sparks and smoking. I did a pressure test on the KE Jetronic /Fuel Distributor. I checked the gauge against 3 other gauges and it appears to be OK. Place a plastic bag to catch any fuel coming from the injector. No one that i have talked to can give me a yes or no on this . 982. 6-liter version (the M103 E26 ). 4 bar difference, but my readings with the EHA active were 5. Injection Set Standalone Efi Mercedes M104 24v. 8 litre straight-six, M116 3. The economy guage still does not peg to the left, so I believe there is still a vacuum leak. Dec 31, 2023 · To use the setup, I put a jumper into the fuel pump relay socket to run the pump, and pressed down on the air flow plate to replicate idle, part-throttle, and WOT fuel flows. Aug 13, 2021 · - Get an extra intake manifold from a donor car at the pick and pull and start building it to handle the fuel rail and injectors. Use the straw on the can of the brake cleaner and you will find it fits inside the hole where the fuel pipe attaches. Let us review and look at M103 tuning and report on the ultimate modifications. 3-1604 - Testing restrictor in fuel distributor for clear passage Fuel Injectors worn or playing up?Overhauling your engine and looking to fit brand new injectors. Got a good cone. Fuel pressure correct at the Mercedes-Benz M103 Engine Fuel Injector Valve, a high quality reproduction of OE Part Number: 1030780173. Hi Arvind, if you have disconnected the 2 pin connector to the EHA valve located on the side of the fuel distributor and it did not stop the rich mixture I would have to suspect that the plunger in the fuel distributor is getting stuck in a rich position and not returning to an idle position. 940 2. Being a four, the M102 does not exhibit the smooth, free-revving character of the M103 six. It runs fine as long as I have Fuel Injection Cleaner in the tank. In one case that required removing the EHA valve to allow me to turn the wrench. So we need someone to either tell us what it is, or have someone disconnect one of their injector lines and measure how much fuel is processed at an idle and over a 15 second period. OE 0000785623. Designed to the high quality specification of Mercedes-Benz, the fuel accumulator or fuel damper controls fuel pressure and is suitable for replacing damaged or worn units. Could it be a fuel pump(s), accumulator, regulator, fuel filter. M103 Fuel Injector Sleeve. ) Oh, and I'll also hook you guys up with a good MegaTune file for the 2. Oct 14, 2024 · new injectors, fuel dis. Jun 11, 2009 · The fuel injectors 15. Yours should too. Replaced the Oxygen Sensor: I installed a new Bosch O2 sensor today, hoping it would resolve the high duty cycle readings. At this moment i am having problems finding a good vacuum diagram. Nov 20, 2008 · hey, i'm looking for easy and cheap way to add some horses for m103 engine. 0 engine. I did not release the fuel lines from the distributor. My 300E with a M103 has a intermittent o2 sensor light, sometimes has a long crank to start and just today started shaking at stops or low speeds. We MUST Dec 9, 2010 · These injectors seem to have a plate that vibrates to cause the pattern. fuel injection: BenzWorld. Quantity Required 6 ,would advise to replace as a set Dec 12, 2012 · There's a few things to go wrong,not sure about m102? but in our m103 motors,fuel pumps,accumulator,filter,fuel pressure regulator,leaking injectors,system keeps pressure in it for easy restart once warmed up,sometimes 1 or 2 injectors loose their seal and drip gas onto the piston ,flooding the engine making restart hard until it burns off,best thing to do is run a fuel pressure test on the Oct 20, 2004 · A similar situation exists with the 4-cylinder M102 which is effectively a shortened M103. 8 litre and 4. 62274-Set 6 - Bosch - Fuel Injector. If they ever leak, my guess is that some good fuel additive/cleaner will bring them back to life since the screen should keep particles out. Leave the clips that hold the injectors down, in place until your remove the fuel lines. Start the engine and see if fuel is dripping from the injector. , throttle body, Air valve, OVP relay, Fuel relay, duty cycle, correct fuel pressure. High Quality Unit Jul 29, 2016 · And a semi-closed 14mm wrench for the fuel lines: Remove the air filter box and loosen the cable canal to get access Use a 17mm wrench to counter hold the holder and release the fuel line. 030; 1989 300E; 103. ) The accepted safe increase is to add 20% capacity when buying an injector, this accounts for injector deterioration and gives you some spare capacity should the engine require more fuel. Quantity Required 1. 6-liter power unit, the cylinder diameter of which was reduced to 82. 6 L; 158. Vacuum MERCEDES M103 ENGINE Q&A: PROBLEMS, RELIABILITY, DIAGRAM. 5 litre, 3. The unit out of vehicle (no power) has the gap in the Home / Store / Car Make / Mercedes / Model / M103 Fuel Injector Sleeve. Mercedes-Benz 107 SL/C Fuel Injector - 0000785623. The R6-family includes: M103 E26, M103 E30, M104 E28, M104 E30, M104 E32, M256 E30. I learned it was an intermittent coolant temperature sensor and wiring. Suits the following vehicles fitted with the M103 engine:- W107 SL Some (1971 to 1989) W126 Sedans Some (1979 to 1991) W126 Sedans LWB Some (1979 to 1992) W126 Coupes Some (1980 to 1991) W461 G-Wagon Sep 7, 2015 · Using WD-40 I diagnosed a leak in an injector seal and replaced all 6 injector-to-housing seals. This is a doc using significant contribution from other authors - I claim no copyright or origination for it. On the top of the valve are the exit conections for the rubber elbows ,now one is on an angle the other is up right. A adjustable fuel pressure regulator would be a nice additon of the kit but as I understand, its not necessary if you keep the boost low. Mercedes Benz W202 M104 Engine Selangor Malaysia Kuala Lumpur Kl Subang Jaya Supplier Suppliers Supply Supplies Esen Eight Auto Parts Trading. We offer this service across multiple different Bosch MFI Mechanical Fuel Injection Pumps from Mercedes-Benz SL W113 Pagoda to Porsche 911 2. Nov 5, 2021 · This regards my 1989 300SE with 242k miles. These units are refurbished in house by our expert technicians using specialised original equipment. The cold start and cyl 3 and 4 have the shortest fuel supply lines. She was neglected for years and abandoned, but with four year-old diesel in her lines, she fired up almost immediately with a new battery. 6E M103 1989 Apr 28, 2016 Given the injector harness will need doing anyway I'd do Resolving Mercedes M103 idle issues - Free download as Word Doc (. So, I parted with about €360 for the injectors and, with the seals and guides, €500 in total. I don't know which pins to jump when you have a MAS relay to get the fuel pump to work (as part of the diagnosis, or as part of setting the fuel pressure in the fuel distributor). The first step was to refurbish the entire fuel system including checking the injectors and balancing the fuel flow. Tight fit. I am also telling you how you can test these injectors. These are made by Bosch for Mercedes. Suitable For M103 M110 Engine. And if you have the MAS relay, the fuel pump relay function goes with the MAS relay functions. ke-jet killers makes a stand-alone fuel management kit that apparently Dec 12, 2012 · Do you mean you smell raw fuel? The rear crankshaft position sensor is the one that feeds your ICM, which creates the TD signal that feeds your tach, the ignition control module itself, fuel injection computer, and your fuel pump relay (also a computer!). I've already gotten new holders and seals so I'll be replacing those one of these weekends. It powered-up at 177 hp "horsepower", or 132 kW and kilowatt-sat at 5700 rpm. Do the on car test and see. Mercedes M103 Tuning "All you need to know about tuning the Mercedes M103 engine!" The Mercedes M103 are fantastic to work on and with carefully chosen motorsport upgrades like remapping, turbo upgrades and camshafts you will greatly maximize your driving opportunities. By Category. when you remove the injectors for testing, you should replace the seals mentioned above before reinstalling them, anyways. Will run with fuel been tipped down the intake or if I loosen the bolt shown. The perfect diagnosis would be a pressure test of the fuel pumps to rule out insufficient fuel to the distributor. Best M103 performance exhausts May 11, 2013 · Then a line from that check valve goes to the valve on the passenger fender, which is for the valve on the air injector pump. The metal fuel lines you can probably clean in solvent. 91, ceramic clutch, stiff and low chassis and Dec 22, 2024 · Your Mercedes W124 2. The injector line isnt clogged, I took it off the fuel distributor and blew carb cleaner through it. But if its not meant to be in the system then i wont . Modern fuel injectors are made of plastic. i used to have a line with a good injector as a tool . Jan 7, 2023 · Hey everyone today i decided that I should replace my fuel injectors. . Jan 18, 2022 · The fuel pumps feed the entire fuel distributor not any individual injector. This is what i need to - fuel rail made of aluminum profile, fasteners fixing, screwed plugs, - forged fuel lines, teflon in steel elastic braid - NEW Bosch fuel pressure valve with adapter allowing you to connect the valve with the wires - NEW Bosch matching injectors, - instruction manuals, assembly, 2years warranty - project with a map for your engine (to tune) Mar 21, 2007 · Hey everyone today i decided that I should replace my fuel injectors. etc. Oct 29, 2023 · The first problem with the Mercedes M103 engines has to do with clogged fuel injectors. 4 Bars. Now if the injectors just don’t flow because they are clogged up that is a different story. Locates under the Fuel Distributor. Vacuum lines: There are a few lines and it can change depending on if you have a EGR equipped M103 or not, manual or automatic. Feb 12, 2003 · Another update. $0. I found it easier to get to the allen head bolts that holds some of the injectors in place by taking the fuel lines loose at both ends. docx), PDF File (. Feb 17, 2014 · Mercedes-Benz employed a common Schrader-type valve (similar to a US bicycle tire valve, or any car tire valve) that is set into the fuel rail. 0E and Even Aston Martin. 0 12v m103 engine, 5 speed mechanical, low speed reducing gear 3. 2. Seems the fuel distributor works on differential 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 Reproduction Mercedes-Benz K-Jetronic Fuel Injection Fuel Distributor O-Ring. Here's some info regarding the EZL ignition system on your M103 engine. 07 - Mechanical/Electronic Gasoline Injection System (KE Injection) 09 - Air Cleaner; 13 - Accessory Belt; 14 - Intake Manifold, Exhaust Manifold, Emissions Control System; 15 - Engine Electrical System (Ignition System) 18 - Engine Lubrication, Engine Oil Cooler; 20 - Cooling System; 22 - Engine Mounts; 24 - Electrical Troubleshooting; 27 Mercedes-Benz W124 M103 engine 260e fuel injectors replacement, valve cover replacement Nov 6, 2010 · The fuel injection system used on all Mercedes-Benz gasoline engine vehicles uses a basic CIS injection system for fuel delivery and electronic controls for mixture correction functions. So, new injectors. 983; 3 Liter G3/2 Heated O2-sensor In exhaust pipe, rear of transmission Jan 2, 2018 · My ~200,000 mile '92 300E sat on a Texas driveway for almost three years before I bought it. The fuel injectors receive signals from the engine control unit (ECU), which determines the optimal fuel-to-air ratio for efficient combustion. I did everything, new injectors, fuel distributor etc etc. Oct 11, 2021 · If your car is starting to run rough, getting horrible gas mileage there is a good chance it is time to replace the fuel injectors. 3-1603 - Testing fuel pressures and internal leak tightness 07. Mercedes M104 3 2 Engine And Manual Box Jun 3, 2010 · Depending on the age of your car the cold start injector can be powered off the fuel pump relay. For further information, contact our team on 01789 337070 Option 1 We offer this service across multiple different Bosch MFI Mechanical Fuel Injection Pumps from Mercedes-Benz SL W113 Pagoda to Porsche 911 2. Occasional stumbling. May 27, 2019 · I'm seeking an m103 vacuum diagram because I have a few hoses not connected to anything. Jan 24, 2010 · Thanks for the diagram. May 1, 2016 · I pulled number one injector, and nothing. I have the 0. I do not recommend having them serviced or rebuilt. Sep 23, 2011 · M120 V12 engine wiring diagrams. The car runs better now, but is not running perfectly. Im stumped. Verify by trying next time with throttle depressed a little. €0. 6E M103 1989 Dec 29, 2024 This proves without doubt its fuel delivery of which we have but not to the injectors. the other thing is having a way to test basic fuel pressure , if you find a car in junk yard , remove the line that goes to the cold start valve , make a tool out of it and get a 100 psi Jul 11, 2022 · Fuel flow produces 2 litres of fuel per minute which is a good indication of strong fuel pumps. It was designed for replacing the outdated M110 engine. I’ve been resetting the air fuel system in my m103, in-line 6 cylinder engine. Mercedes-Benz Fuel Accumulator - 0004760621. adjusted baffle plate … etc all adjusments and tests based on the service manual withing specs with other members. The injectors are what I was going to look at next. Reproduction Mercedes-Benz Bosch Fuel Injector. Suitable for M103 Engine. All the fuses are good. The fuel injectors are responsible for precisely delivering the fuel to the engine. I lost one of my Allen bolts to my starter valve. Check the operation of both fuel pumps, replace the fuel filter, and remove the fuel injectors to check for any signs of carbonization (sugar LOVES to carbonize if it gets that far). Oct 26, 2021 · I don’t know the ohm reading but my 1992 2. Which makes every reinstallation a super-pita. Jul 30, 2023 · Mercedes Benz Valeo Alternator Aa 120a 6pk M102 S M103 M104 Ute Fe M112 M111. If uncertain, reach out to us for assistance. Nov 16, 2024 · Includes 6x Fuel Injectors, 6x Insulators, 6x O-rings and 6x Upper seals included. OE - 0049970648. Categories: c, Engines, Gasoline, Feb 8, 2010 · 1. Understood on the sequential injection, so that means probably MS3. May 4, 2002 · PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Tech Help: Replacing Injectors (M103) DIY? SLSHOP Bosch Mechanical Fuel Injection Pump Remanufacturing & Refurbishment. Only way is for the owner of Fuel & Intake auto parts for Mercedes-Benz E-Class (1987-1995) W124: Fuel Injectors and other parts related to Fuel Injection Free Shipping over $99! R107 SL ENGINE PARTS . 5 psi. Install new injectors in reverse order. These small nozzles spray fuel in a fine mist to ensure thorough combustion. M103 2. Find many great new & used options and get the best deals for Mercedes M103 i6 Bosch CIS Fuel Injection Lines Line Complete / W126 W124 W201 at the best online prices at eBay! Free shipping for many products! Aug 2, 2009 · The M103 at its age has mostly leaking injectors. 983) - PeachParts Mercedes ShopForum Oct 7, 2008 · Fuel is not you're issue in the hunt for horsepower, air is. Here, the recommended rev limit was only 6,000 due to the M102 producing its power and torque lower in the rev range than the M103. Dec 4, 2010 · A balanced O2 Sensor will show 0. I simply broke them to Jan 24, 2017 · Mercedes-Benz Roadster Forums. 5 cu in (2,597 cc) produces 124 kW (169 PS; 166 hp) at 5800 rpm and torque of 228 Nm (168 lbft) at 4600 rpm "without catalyst". May 8, 2019 · Can i ask if any of the M103 260E owners have this fuel filter flow devider in their injection distributor . I Q&A: M103 Spark Plugs & Fuel Distributor for 1991 Mercedes 300SE Feb 13, 2012 · oil lines you can use a oil filter spacer for an oil line tap and you can drill a hole into the oil pan for a return. May 25, 2009 · - Mounting hardware for fuel rail I could then provide necessary Summit (or whatever) part #'s for all other necessary hardware (such as fuel regulator, TPS, fuel lines, connectors, hoses, intake, injectors, etc. Today I checked the pressure at the fuel distributor. However, there is an easy solution to this, listed below . By swapping injectors to different fuel lines, and testing at different flow rates, I determined there was almost 10% variation in the fuel delivery to the cylinders. Injectors out I was absolutely not able to slide the old seals off. Jul 21, 2016 · all 6 should deliver within a few percent of the same amount of fuel per second. Mercedes also started producing the M103 3. Suitable For M103 Engine Up to 982 10/50,20/60 001109 982 12/52,22/62 005093 Quantity Required 6 Injector … ADD TO BASKET Apr 18, 2015 · Hi . 3 - Mechanical/Electronic gasoline injection system (KE injection) See full list on invent-labs. 5 psi without it connected and running at bout 1500 rpm, then attach referance vacume line to inlet manifold, presssure will drop on idal, and incress as approching wot, to peak at 42. 6 if that's your installation. K, KE, D Jetronic on cars and models such as : Mercedes Benz W124, W201, W123, W115, W116, R107, R129, Audi , Porsche, VW and more. There is no fuel going to the injectors. Intake manifold gasket: I have rarely seen these fail, but it is possible. The 4 pin round sensor on the top front of the engine. The fuel pressure at the fuel distributor is over 100 psi (8 bar) which is much higher than the 55 psi (4 bar) listed in the specs. This makes me suspect my injectors. A diesel injector shop, or a older Mercedes independent shop, likely has the test gear to do this. 0-liter inline six-cylinder engine in 1985. rebuild, rotor and cab, spark plugs, ignition wires, all sensors, all rubber seals and boots, new EHA, new fuel meter Pot. I want to know the location that the pipes go to . SLSHOP Bosch Mechanical Fuel Injection Pump Remanufacturing & Refurbishment. The engine came from a yard and could’ve been sitting for years. Mercedes Benz M103 CIS Fuel Injector Service Kit 300E 190E 260E TE 300CE | eBay Feb 17, 2021 · If you remove the fuel distributor (I did), be sure to disconnect and remove the fuel lines at the injectors, first. Feb 1, 2007 · Reconnect the injector to hard line and plug the opening for the injector at the engine. It rotates freely but doesn't seem to want to pull off. The Mercedes M103 E26 engine was developed in 1985 to replace the ancient M123 engine. On the lower chamber I get 5 bars and on the upper chamber with the EHA disconnected I’m getting 5. G3/2 Heated O2 Sensor ----- Testing the Component Mercedes Benz Model 124 with M103 engine 124. The fuel injectors atomize fuel under high pressure and if they begin to fail you will notice a loss of power and efficiency. 0 Liter Engine that powered the 300SL was an inline 6 cylinder gasoline motor with overhead valves, Engine # M103. 64 or 3. After the fuel line is off, simply lift out the injector and lightly pry out its plastic holder. 6L (W201-M103) that won't start. I need to replace the thermal time valve , it sits in the cylinder head just above the water pump off it comes the two vacuum pipes . 6-liter E26 and the 3. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive Sep 18, 2010 · the feul accumultor is to provide high pressure to the k jet system (5bar?) modern injectors run with base presure of 42. The M103 series also includes the 2. Jul 27, 2024 · Vin(###) ###-####419088 190E 1987 M103 engine File attached (3S3P1V7) The car will only run if I losen this bolt on the fuel distributor Has fuel to the distributor and return to tank. If I run on gas alone, it idles rough (cold or hot) and I need to step on the accelerator to start it. Older mechanical injectors opened by fuel pressure alone and were easier to service. 5 psi, get a referance port fpr, set 42. 5 bar as a high. 2-litre V8 engines, as well as the M1 The power plant, the M103 3. May 10, 2021 · yes , with a injector connected , facing up , or inside a bottle , you will see the spray . I have already replaced both pumps, the accumulator, and filter. You can remove and test the injectors yourself. 1 as a low and 5. - I’ll probably cut off the manifold and build a new section to the air intake from aluminum. Here is the link to that process: CIS-E Tuning (W124 - 103. May 26, 2016 · Is there a way to test a fuel pressure regulator on a M103 or M104 engine? I have a 89 420SEL, and I get no fuel out of the vacuum line from the fuel pressure regulator. I ‘ve also replaced all injectors (Bosch x 6) and seals. 3-1333 - Determining fuel consumption by driving on the road 07. R/C107 SL/SLC Class 300sl fuel injectors. I’m thinking I’ll pull the rail and injectors off the 4. The KE-Jetronic was one of the earliest mechanical fuel injection systems to be controlled by an ECU, and it was unfortunately not the most reliable. 9 mm. 45 volts on average and keeps fuel mixture at 14. I am going to do the injectors next. I have 1991 Mercedes 300se M103 which was sitting in the desert for quite some time (~10years) and I want to start it. There were two different versions of the powertrain: the 2. The second line on this valve goes to the injector pump itself, which is below the alternator 5)The pressure regulator on the drivers side, which on connected to the fuel distribution unit has a rubber line coming out Jan 31, 2023 · The family of inline six-cylinder engines Mercedes M103 was produced from 1985 to 1993 and was installed in many models of the company, such as W201, W124 and luxury roadsters R107. Customer: 1988 Mercedes 300 sel with m103 3. com Jul 21, 2013 · Counter hold the injectors while loosening the fuel line nuts. 1. If I rev the engine, it will just drip. Injection set piggyback EFI Mercedes m103 2. Normal wear and tear or incorrect installation are not covered under warranty. Jun 1, 2009 · I have a 1991 190E 2. Mercedes-Benz Fuel Accumulator, a high quality reproduction of OE Part Number: 0004760621. 6 L. M103 Engine Application Survey. 2 since the injectors are the same pn and it ran alright. We DO need to know how much fuel is the minimum amount of fuel to be processed by a port. pdf), Text File (. Nov 22, 2024 · Fuel Injectors: Replaced all injectors with new ones. If your car doesn’t start, stall, raw or low idle I can handle it. Dec 27, 2020 · BTW, especially Mercedes‘ decision for the KE-Jetronic, at a time when BMW was already using the fully electronic L-Jetronic, is one of the most typical representatives of the spirit ‘golden era‘ Mercedes were designed with … and this commonly very underestimated injection system should be kept working as it was designed to work. The smaller M103 engine:103. Nov 8, 2017 · Your observation about fuel lacking at the end cylinders is troubling. (The car's fuel injectors are directly attached to the fuel rail. Jump to Latest Follow I finally received the measuring cylinders Fuel Injectors worn or playing up?Overhauling your engine and looking to fit brand new injectors. They flood the motor making it hard to start when hot/warm. However, during my second drive, the car started experiencing issues with fuel These M103 engines applied mechanical fuel injection, (KE-Jetronic). Newer injectors are made of Oct 29, 2021 · Injector seals (upper and lower). 7 to 1. Exactly as pictured. 0-liter E30. IF, the pumps are supplying sufficient volume and pressure then any individual injector problem would be in the injector or distributor. eplnqy dpvoz mbcpg mhueh oryev ouhrhefb oyjfie qmiwqw djut jvr