Mercedes Fuel Pump Problems

If your engine is giving you trouble it might be time to replace your fuel pumps. Mercedes-Benz vito w639 2003-2010 Condition is mercedes sprinter vito fuel rail. Mercedes has a bulletin that recommends additional lubrication in the fuel. Injection Pump Fuel Leak Fix on the 1991 W124 300D Turbo 2. We also provide inexpensive and guaranteed 3 day, 2 day, and Overnight shipping options, so if you need your Fuel Pump Relay tomorrow, eEuroparts. While working to get this corrected I became aware of a recent recall on the Mercedes engines (NHTSA 08V668000 and 09V141000). Finally in 2008 they increased the quality again. Quick View. While it's apart should I replace the fuel pump just so it doesn't leave me on the side of the road a month from now?. I never open the box you sent me. Typical Mercedes diesel vacuum pump. They seem to be identical and the original Mercedes-Benz part number ends with “950. MERCEDES BENZ CLASS C II 203 2002 C240 fuel pump I have just (needlessly) replaced my fuel pump. Unit pump (UP) systems enable short high pressure fuel lines by locating the pump close to the injector. shippment and VAT. ” The parts in my car are original Bosch units with a Mercedes-Benz logo, which is good. The fuel pump in the C280 delivers fuel to a naturally aspirated 2. Injection Pump Fuel Leak Fix on the 1991 W124 300D Turbo 2. Fortunately the 1985 and earlier cars do not have the dreaded rubber O ring to deteriorate. Locally owned and operated in Eugene since 1974, Oregon Fuel Injection provides diesel part sales, diesel repairs, diesel fuel injection service and repair, diagnostics and upgrades. This Mercedes normally runs on benzine. By buying and installing a new or reconditioned fuel pump you may reduce overheating, improve overall engine performance and increase engine-life. Mercedes Benz fuel pump relay problems are more common and can make it appear that your fuel pump has failed. Fuel pump problems are hard to diagnose sometimes. I need to help this guy. Mercedes usually debuts advanced safety and assistance systems on its S-Class halo model, but it chose the E-Class to showcase its Drive Pilot system. Mercedes Fuel Pump Relay (380SE 380SEC 380SEL 380SL) - KAE 0015455305. My wife was driving a 2012 Mercedes ML350 on a highway when the engine suddenly stopped and she was lucky to get over to the shoulder before being hit. In many cases, your relay simply needs to be replaced, instead of the pump itself. Quick View. The Mercedes …. FP Regulators are fitted to high pressure pumps and or to the common fuel rail in modern common rail diesel cars. We also provide inexpensive and guaranteed 3 day, 2 day, and Overnight shipping options, so if you need your Fuel Pump Relay tomorrow, eEuroparts. Shop Fuel Injection Pumps For Sale. Just plur your Mercedes Benz 380SL and Year into the Year Make Model selector above and when you search for a Fuel Pump Auto Parts Warehouse will only show you parts that fit your vehicle. FCP Euro was established by Harry and Kathy Bauer in 1986 as a brick and mortar auto parts store located in Groton, Connecticut servicing the local Volvo and BMW parts markets. If the electrical wires are pinched, the fuel pump may stop working, resulting in a stall, thereby increasing the risk of a crash. New replacement car and truck parts at Low Prices!. My wife was driving a 2012 Mercedes ML350 on a highway when the engine suddenly stopped and she was lucky to get over to the shoulder before being hit. The delivery pump also has the sending unit and pressure switch integrated into the pump. 2-liter 215-horsepower V-6 engine. 3 L V-6 powered C230 and below the 3. These engines are among the best, but owners frequently overlook long-term maintenance simply because the cars demand so little. To see how frequently Mercedes-Benz C-Class problems occur, check out our car reliability stats. So we replaced the pump (the pump near the right rear wheel) but no change. NHTSA said when technicians service the fuel filter/sender at the 60,000 mile service interval, and/or the fuel pump, "the work is performed from inside. Diesel Parts | Oregon Fuel Injection. Aha! The car has two fuel pumps, in series. The fuel pump is integral in the overall drivability of the vehicle. Our online store has diesel parts for Ford, Dodge, Chevy, VW, Jeep, Sprinter and off-highway vehicles. Shop here and enjoy a wide selection of high-quality parts at affordable prices!. Different types of fuel pumps will make slightly different sounds. If the car has been exposed to road salt the rust will make it very difficult to even get the parts off the car. Want an affordable yet high-quality Mercedes Benz 560SL Fuel Pump? Shop now and enjoy our lowest price guarantee and access to the best brands in the industry!. Problems and Faults with the W124 E Class. com : Car complaints, car problems and defect information Latest News. Want an electric fuel pump to last forever and work right? We're going to show you how to install it and wire it up the correct way! Ok, let's talk about electric fuel pumps. How to Diagnose a Faulty Fuel Pump Also, keep in mind, other issues can mimic a faulty fuel pump. Mercedes-Benz 420SEL "No start" Caused by Failed Fuel Pump/Relay - 6 reports. You likely use it to get to and from work, to get the kids to school and any other errands you have each and every day. 95 Add to Basket. It relies on the seal made between a single small O-ring which is backed by a split fibre backing ring. While fuel pump failure isn't very common in MB cars, we have seen several Mercedes cars such as ML320, C-Class, … Read More ». However try and refill fuel system by removing central connector on filter and with an oil can (thumb lever type) fill diesel line with engine oil. NHTSA said when technicians service the fuel filter/sender at the 60,000 mile service interval, and/or the fuel pump, "the work is performed from inside. A Mercedes Benz fuel system, diesel or gas, requires a long list of components and equipment that the MB owner, restorer or show enthusiast will definitely want to pay attention to – and no matter which Mercedes Benz auto part you need, Adsit has it!. Early Bosch Fuel Pump - Rebuilt, fits 230SL, 250SL & * 280SL & others. Incorrect fuel injection pump timing leads to reduced performance of the engine and can cause engine misfiring or other less obvious symptoms. You folks are always interested in performance issues and this is a basic design flaw in the MB implementation. If you're struggling to accelerate, especially on the highway, or you notice other signs your car might not be getting enough gas, the problem can be caused by a partially blocked or clogged fuel line, fuel. 300E won't start. Mercedes-Benz began using fuel injection in their passenger production cars in 1955. 4 mercedes diesel MB900. It's kind of funny when you realize that a car as advanced and luxurious as a Mercedes Benz SL500 can be rendered non-functional by a part as simple and as humble as a fuel pump. My car started right up with little hesitation. It's almost like a persistent rattling/bubbling sound that you can hear quite well from the rear while sitting inside the car. Blow compressed air into the lower chamber. Attempting to start the car again, only to have it stall once more, makes it clear that there is some difficulty with the fuel pump. Symptoms of a Bad Fuel Pump. These pumps operate at extremely high pressures so even the smallest deterioration in a seal can lead to substantial fuel leaks and associated vehicle faults. Major engine problems!!! Now Mercedes is blaming me for oil getting into the coolant, which I've seen become a major issue with these cars. Mercedes-Benz 113 Fuel Pump Valve & Seal. The most common cause of failures is gas in the fuel system. Locally owned and operated in Eugene since 1974, Oregon Fuel Injection provides diesel part sales, diesel repairs, diesel fuel injection service and repair, diagnostics and upgrades. to/33kJG2G +50 PSI indicates that you're pump is good. Tap the to learn more about the most common Mercedes-Benz 560SEC problems. It's kind of funny when you realize that a car as advanced and luxurious as a Mercedes Benz SL500 can be rendered non-functional by a part as simple and as humble as a fuel pump. Choose from a separate pump or sending unit, or a complete ready to install module. … read more. A clean diesel fuel pump injector is a happy diesel fuel pump injector. Fix a leaking gas tank and replace a filthy fuel filter or pump using our guides customized for your w211. Two main fuel pumps and a the filter on top. Problem #1 – Dirty Fuel. You'll need a pressure gauge, usually made specifically for this job, and to use it while the engine is running. my **** ml *** Mercedes Benz was diagnosed having a fuel pump problem and not an alternator that I had order from you. Mercedes Fuel Pump Relay (380SE 380SEC 380SEL 380SL) - KAE 0015455305. Once the access panels were removed, I could listen for the sound of the fuel pumps as the ECU primed them for startup. 1-litre turbo-diesel four-cylinder engine that were produced between 1 November 2009 and 1 November 2010 due to possible leaking of diesel fuel from the fuel filter ( PRA 2010. Sprinter Fuel Pump Reprime 2 the pump as the fuel obeys the law of gravity. Maybe the fuel pump is the problem. The fuel filter is the cartridge in the fuel line that serves to remove any dirt from the fuel as it enters the engine. The vehicle was not repaired. Again I mention using a cheap pressure tester on fuel rail--it can point you in the right direction. The fuel pump then varies the timing relative to your Cummins engine speed. I would stay away from them. I brought it to my mechanic recently and did a check and changed the vacuum hose. Four Trouble Signs of a Failing Mercedes Benz SL500 Fuel Pump. A leaking or malfunctioning fuel pump will require immediate replacement. The contact stated that after refueling, there were gasoline fumes present in the interior and exterior of the vehicle. Low sulfur fuel is hard on the high pressure. The 124 E Class was built from 1985 to 1996 and is a legend in the Mercedes history due to sheer over engineering and reliability. Problem #1 - Dirty Fuel. I thought I'd post some things I've discovered about the OM606 fuel system. "No start" Caused by Failed Fuel Pump/Relay The fuel pump and/or fuel pump relay can fail, causing the car to crank over but not start. If your engine is giving you trouble it might be time to replace your fuel pumps. Mercedes W123 troubleshooting, repair, and service manuals. To replace the fuel pump on a Mercedes-Benz, it costs between $450 and $800 depending on the MB model. Turn the key on and wait then turn it off. or The failing pump that was replaced had burned the ground wire running to the sending unit. You can read my original thread here, but after disconnecting the fuel line at the fuel distributor, I realized I have no fuel getting there. Free Same Day Store Pickup. Disconnect the main fitting going to the brake booster while the engine is running using a 19mm wrench. Mercedes Fuel Pump Cover Removal Tool - https://amzn. I would stay away from them. Bosch supplied the industry's first fuel injection system with a high pressure electric fuel pump in 1967. Related Questions. Mercedes fuel pump replacement cost. Choose from a separate pump or sending unit, or a complete ready to install module. If you have adequate fuel pressure prior to start and at idle, then you could still have a weak fuel pump that is not providing fuel while the engine is under load. Question : Is this normal ? The pump clicks, but I cannot hear it running. Just plur your Mercedes Benz 380SL and Year into the Year Make Model selector above and when you search for a Fuel Pump Auto Parts Warehouse will only show you parts that fit your vehicle. While working to get this corrected I became aware of a recent recall on the Mercedes engines (NHTSA 08V668000 and 09V141000). Well most here have found out that this isn't so. Two major problems exist with the fuel injector. Mercedes-Benz A-Class Fuel Pump Replacement cost. fuel pump failures:. You'll need a pressure gauge, usually made specifically for this job, and to use it while the engine is running. Watch for these signs that your fuel pump is starting to act up so you can take your vehicle to a professional to get it back in proper running shape:. Hi Everyone, I have had a problem with my Mercedes today, the first ever, where it would not start, the fuel pump ( electric ) was not running, so I took a live feed from the battery to the pump, and it started without a problem, and continued to run fine and restarted, even after I removed the improvised feed. Example applications of this approach include the HP0 pump by Denso and the prototype common rail unit pump discussed in the paper on common rail components. fuse box location. If you wonder whether or not you have a bad fuel pump, here are a few signs that it is time to get a replacement. Delivery Info. Mercedes-Benz is a German manufacturer of automobiles, buses, coaches, and trucks. In which case, one of the three relays I did switch out may have been the actual fuel pump relay. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Once the access panels were removed, I could listen for the sound of the fuel pumps as the ECU primed them for startup. Repeat the test. All at discounted prices. As the fuel pump relay controls power to the fuel pump, any faults with it can cause issues with the fuel pump, which can cause drivability problems for the vehicle. You likely use it to get to and from work, to get the kids to school and any other errands you have each and every day. checked under seat and puddle on top of fuel pump area. Founded in 1972, F&J Exports Ltd is a Specialist Engine Parts Supplier, for Commercial and General Vehicles, Plant and Machinery. How to Diagnose a Faulty Fuel Pump Also, keep in mind, other issues can mimic a faulty fuel pump. com : Car complaints, car problems and defect information Latest News. Tap the to learn more about the most common Mercedes-Benz 560SEC problems. Affecting all model years apart from the 2006 version--and most severe with the 2001 and 2002 years--the problem lies specifically with its mass air flow sensor, which the engine uses to measure the amount of air it consumes. 2006 R350 first batch of R350s it is like the Gremlins built those cars. The contact performed an inspection and found that the plastic casting of the fuel pump injector valve top was fractured and caused gasoline to leak and penetrate the cabin. In the Denso HP0 pump, a poppet-type solenoid valve is held open during a portion of the pump’s compression stroke to vary the amount of fuel compressed to high pressure. The fuel pump relay is behind the battery. If there is solid fuel in the lines, it is doubtful that the problem is an air-locked pump, and I would not proceed to the next steps. If you don't pay attention to your fuel delivery system then your mileage will suffer. This time allow the fuel from the bottom chamber to drip out completely. When the internal diaphragm leaks, fuel escapes through the weep hole to notify the vehicle owner of a malfunction. The best part is, our Mercedes-Benz R350 Fuel Pump products start from as little as $295. I hope you are still reading this forum because I need your help It was refreshing to read your posts and to find somebody who takes a logical approach to problem solving rather than simply replacing parts until the problem is fixed. Order your Chrysler Mercedes Benz Electric Fuel Pump TRQ - 1AFPU01337 today at 1AAuto. The Mercedes Benz C240 Fuel Pump Assembly comprises a fuel pump that draws fuel from the fuel tank and pumps it into a carburetor or a fuel injection system. I checked for +12 at the fuel pump, and I get zero. We have the largest selection of Mercedes-Benz E-Class Fuel Tank parts at discount prices. In modern applications this pump is usually electric and expected to deliver fuel at high pressure to meet the performance and emissions demands of todays motors. com : Car complaints, car problems and defect information Latest News. Even if you think you are covered by the warranty, it will be very hard to get Mercedes to pay for fuel system problems. or The failing pump that was replaced had burned the ground wire running to the sending unit. Make sure fuel filter is full of oil or fuel. Mercedes-Benz is a German manufacturer of automobiles, buses, coaches, and trucks. Strong Fuel Smell; One of the tell-tale signs of an injector problem is the smell of fuel. Affecting all model years apart from the 2006 version--and most severe with the 2001 and 2002 years--the problem lies specifically with its mass air flow sensor, which the engine uses to measure the amount of air it consumes. The fuel filter is the cartridge in the fuel line that serves to remove any dirt from the fuel as it enters the engine. Mercedes-Benz began using fuel injection in their passenger production cars in 1955. ) has provided the areas of Sherman Oaks, Tarzana, Encino, Studio City, Van Nuys, and Valley Village, CA, with. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. Mercedes Fuel Pump Cover Removal Tool - https://amzn. Fuel Pump Problems of Mercedes Benz C230 Mercedes Benz C230 owners have reported 4 problems related to fuel pump (under the gasoline fuel system category). MERCEDES BENZ CLK I 208 Fuel pump changed clk320 1999 still cranking problem Is it possibly common problem is the fuel senders under the back seat in this veh. The fuel pump never has a chance to overheat because some feel that the fuel pump runs continuously when the ignition key is in the ON/RUN position. Normally this causes damage to the diesel injectors and unless the complete fuel system is attended to the problem will arise again. 2-liter 215-horsepower V-6 engine. Mercedes-Benz 420SEL "No start" Caused by Failed Fuel Pump/Relay - 6 reports. By using this tool, you will be able to get records with description of safety issues for vehicles, equipment, tires and child restraints. Since 1973, BMW Mercedes Service (BMS Inc. It restarts no problem then will cut out again. Lube Mobile come to you for fuel pump diagnosis and if needed replacement of fuel pump. While that may be enough for a factory pump, it’s nowhere near enough for a larger aftermarket pump. The very first thing I do is make sure we have a constant supply of vacuum. Turn on the ignition, (not nec to start) fuel will come out if the fuel pump & relay are OK. An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. Two main fuel pumps and a the filter on top. The pump was replaced, the engine replaced and the pump replaced once more, to no avail. This controls, as the name suggests, the fuel rail pressure. The contact owns a 2004 Mercedes Benz E320. or replace Fuel supply lines blocked/restricted Test all fuel lines -- flush or replace Loose connections, injection lines leak or broken Tighten the connection, eliminate the leak Paraffin deposit in fuel filter Replace filter, use winter fuel Pump-to-engine timing. The vehicle was taken to the dealer and the manufacturer was made aware of the failure. MERCEDES-BENZ 1991-1997 ENGINE WIRING HARNESS DEFECT NHTSA CONSUMER COMPLAINTS Below, please read the list of *793* reported consumer complaints (and counting) that I have found on the U. Dont spend the money on a tow. So it's a no-brainer that a malfunctioning fuel pump is bad news. FUEL SYSTEM, GASOLINE. Mercedes Sprinter 2013, Fuel Pump Module Assembly by Bosch®. General M-Class Information, AAV news ML320 FAQ & solutions for smaller problems. Electric Fuel Pump: How to Do It Right. Buy a 1988 Mercedes 560SL Fuel Pump at discount prices. or The failing pump that was replaced had burned the ground wire running to the sending unit. Got a good one for you. In modern applications this pump is usually electric and expected to deliver fuel at high pressure to meet the performance and emissions demands of todays motors. The most common problems on a C250D are electrical problems because of its biodegradable wires and starting problems due to the diesel fuel lines that suck-in. Buy Mercedes-Benz Sprinter Fuel Pumps and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Fuel System Gasoline Problem on the 2007 MERCEDES E350. Mercedes C Class Fuel Pump W202 C180 C230. 300E won't start. If there is fuel in the tank (check), I would engage and disengage the "Reserve Fuel Knob" several times. ) has provided the areas of Sherman Oaks, Tarzana, Encino, Studio City, Van Nuys, and Valley Village, CA, with. One of the lines has cracked and is now leaking gas from a rubber small rubber connection. Finding the right Mercedes Benz 280SE Fuel Pump mustn't be a hassle. PART NUMBERS:0445010143 / A 646 070 0401. Try starting between each. Mercedes Injection Pump O Ring Replacement. Can you possibly help me out on this issue. closes Mercedes fuel leak probe. MERCEDES BENZ CLK I 208 Fuel pump changed clk320 1999 still cranking problem Is it possibly common problem is the fuel senders under the back seat in this veh. com® proudly offers wholesale prices and fast shipping available on most orders. Mercedes Fuel Pumps play a major role in car engines, which have a pumping system that feeds fuel through a line or hose to the engine. Starting Problem; Inline Type Fuel Pump Trouble Shooting. You folks are always interested in performance issues and this is a basic design flaw in the MB implementation. * Mercedes C-Class problems from '07-present * Reliability issues and recalls explained * Read before you buy. We also provide inexpensive and guaranteed 3 day, 2 day, and Overnight shipping options, so if you need your Fuel Pump Relay tomorrow, eEuroparts. Disconnect the main fitting going to the brake booster while the engine is running using a 19mm wrench. The temperature of the car can also telegraph an emergency with the fuel pump. This specific graphic (Mercedes Benz W211 E500 Fuel Pump Relay And Fuse Location - Youtube) over is labelled with: mercedes 190e fuel pump relay location, mercedes 560sl fuel pump relay location, mercedes c180 fuel pump relay location,. I just replaced the fuel pump, and the fuel pump relay ( the one that says "kickdown") I have no power going to the fuel pump relay- is there someplace else I should be looking? The car happily cranks over, but obviously never starts. If the pump is bad there is a possibility the fuel pressure is not adequate to atomise the fuel as it exits the injectors. You will pay about $300-$450 for parts (fuel pump) at the dealer. The fuel pump's job is pretty self-explanatory: to pump fuel from the gas tank to the engine. Mercedes Fuel Pump. Some of the best diagnostic tests for fuel pumps are voltage drops and current testing. I have had the fuel pump replaced. There are two categories of fuel pumps: electric and mechanical. Mercedes Fuel Pump. 8 L V-6 engine. It also causes over-consumption of fuel, excessive smoke production, loss of power and problems starting the engine as well. The 300-SL gullwing used a direct injection, like diesel engines, it squirted fuel directly into the cylinders. Early Bosch Fuel Pump - Rebuilt, fits 230SL, 250SL & * 280SL & others. The Mercedes Benz C240 Fuel Pump Assembly comprises a fuel pump that draws fuel from the fuel tank and pumps it into a carburetor or a fuel injection system. 962) Mercedes My car sprung a fuel leak at the injector pump. The most common problems on a C250D are electrical problems because of its biodegradable wires and starting problems due to the diesel fuel lines that suck-in. The pre pump is a low-pressure, high-volume pump that sits inside the gas tank and supplies fuel to the main high pressure pump under the car. They seem to be identical and the original Mercedes-Benz part number ends with "950. Re-start the engine and the fuel pump resumes running. car will not start with half tank of fuel 16 Answers. com® can deliver!. 300E won't start. By using this tool, you will be able to get records with description of safety issues for vehicles, equipment, tires and child restraints. You'll need a pressure gauge, usually made specifically for this job, and to use it while the engine is running. Fuel Injector Connection is the leader in high performance fuel injectors from top manufacturers including Bosch, Siemens, and Lucas. The 2011 Mercedes-Benz E350 has 13 NHTSA complaints for the fuel/propulsion system at 50,022 miles average. Mercedes-Benz 113 Fuel Pump Valve & Seal. The pump seems to be working and also the fuel relay is OK, however the flow of fuel from the tank seems to be a problem. So it's a no-brainer that a malfunctioning fuel pump is bad news. The vehicle was not repaired. In short- if your fuel pressure is too high, find the bottleneck in the return side of your fuel system and remove it. Out side the car rear passenger side. Mercedes has a bulletin that recommends additional lubrication in the fuel. fuel pump failures:. Easy to use parts catalog. Quick View. gas smell in the my garage and strong inside cabin after filling the car up. If there is fuel in the tank (check), I would engage and disengage the "Reserve Fuel Knob" several times. The 124 E Class was built from 1985 to 1996 and is a legend in the Mercedes history due to sheer over engineering and reliability. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. I think I can hear the fuel pump making noise inside the tank. A range of Genuine Mercedes, and original equipment quality aftermarket fuel filters. The Fuel Pressure Regulator, on top of the fuel "rail" supplying the injectors, maintains the injector supply at a nominal 30 PSI (adjustable by turning the nut on top). … read more. Strong fuel odor was detected in my E350 Mercedes Benz car for few days. 95 Add to Basket. The fuel pump in the C280 delivers fuel to a naturally aspirated 2. What would cause a continuous hum at the back of Mercedes 380sl when the engine is running even if the car isn’t moving? This is probably due to a faulty fuel pump. From these two things, a host of problems can surface. Four Trouble Signs of a Failing Mercedes Benz SL500 Fuel Pump. In modern applications this pump is usually electric and expected to deliver fuel at high pressure to meet the performance and emissions demands of todays motors. (The fuel pump relay is under $20. Dodge trucks 98. Normally this causes damage to the diesel injectors and unless the complete fuel system is attended to the problem will arise again. Fuel could leak onto the road, causing slippery conditions and a potential crash. You likely use it to get to and from work, to get the kids to school and any other errands you have each and every day. If there is no noise outside of the car you may need to try this; with the car door open so you can hear under the car. Sounds like you've got it diagnosed; usually if there's a problem with the fuel pump, you replace the fuel pump. MERCEDES-BENZ ML350 Fuel Pump quality discount Auto Parts. You will pay about $300-$450 for parts (fuel pump) at the dealer. Mercedes-Benz USA spokesman Rob Moran said the automaker was not aware of any injuries connected with the recall. The contact stated that a strong gasoline fuel odor emitted in the rear seating area of the vehicle. You'll want to perform a thorough diagnosis to ensure the pump is the problem before replacing it. Aha! The car has two fuel pumps, in series. If there is fuel in the tank (check), I would engage and disengage the "Reserve Fuel Knob" several times. Check out free battery charging and engine diagnostic testing while you are in store. Online shopping from a great selection at Automotive Store. If there is no noise outside of the car you may need to try this; with the car door open so you can hear under the car. Again I mention using a cheap pressure tester on fuel rail--it can point you in the right direction. Mercedes Fuel Pump Cover Removal Tool - https://amzn. Symptoms of a Bad Fuel Pump. Fuel Pressure Leak-Down Test. I like to return my order and obtain a fuel pump from you. One of the lines has cracked and is now leaking gas from a rubber small rubber connection. The fuel pump is an integrated part with the fuel level sender. One of the early warning signs of a bad fuel pump is the development of a high pitched sound when the engine is first engaged. The first step in diagnosing whether the pump or regulator is to blame for your fuel delivery problems is to isolate them individually for testing. They have 2 fuel pumps, one is just a transfer pump and the other one is the delivery pump. Check out free battery charging and engine diagnostic testing while you are in store. Just plur your Mercedes Benz 380SL and Year into the Year Make Model selector above and when you search for a Fuel Pump Auto Parts Warehouse will only show you parts that fit your vehicle. MERCEDES-BENZ ML350 Fuel Pump quality discount Auto Parts. I measured the current drawn by the fuel pump: More than 10A at 12V from an external power supply. In which case, one of the three relays I did switch out may have been the actual fuel pump relay. The W116 automobiles were the first Mercedes-Benz models to be officially called S-Class, although earlier sedan models had already unofficially been designated with the letter 'S' - for Sonderklasse or "special class. Injection Pump Fuel Leak Fix on the 1991 W124 300D Turbo 2. closes Mercedes fuel leak probe. How to Check Your Fuel Pump. The most common failure is the check valve and internal diaphragm. I replaced the crank sensor but stupidly didn't bother to check for fuel pressure first, and I now realise that the car won't start because the fuel pump doesn't run, not because the CPS was faulty. It has a 4520 cc motor. This controls, as the name suggests, the fuel rail pressure. By using this tool, you will be able to get records with description of safety issues for vehicles, equipment, tires and child restraints. shippment and VAT. There are two categories of fuel pumps: electric and mechanical. One of the early warning signs of a bad fuel pump is the development of a high pitched sound when the engine is first engaged. Can you possibly help me out on this issue. can it be my fuel pump causing the problem as when I try to start back the car it doesn't start for about 30 mins. The primary fuel pump is continuously submerged in a surge tank assembly which is fed by the secondary pump which draws fuel from the right side of the tank directing it in to the surge unit. Symptoms of a Bad Fuel Pump. There has also been some coolant leak problems - from a fitting on the plastic fuel filter housing and the water pump mainly - again the filter housing is subject to a service measure on many models & both of these are often covered under goodwill by Mercedes even if there is no service measure if they do leak. The pre pump is a low-pressure, high-volume pump that sits inside the gas tank and supplies fuel to the main high pressure pump under the car. Major engine problems!!! Now Mercedes is blaming me for oil getting into the coolant, which I've seen become a major issue with these cars. In screening out various impurities, the fuel filter can often get so soiled and even clogged so that it won't carry out its functions efficiently. 2005 freightliner with a 6. You need to get the injectors checked before guessing at fuel pumps. Shop Fuel Injection Pumps For Sale. It is currently a division of its parent company, Daimler AG (formerly DaimlerChrysler AG), after previously being owned by Daimler-Benz. Last dealer changed the hi and low pressure fuel pumps, one glow plug and the glow plug controller total $3600. My tech removed the fuel pumps from the car, and wired each fuel pump in turn to a. 2-liter 215-horsepower V-6 engine.