In some cases, your fuel injector is actually just clogged with dirt. When the engine is in turbocharged mode at a higher rpm, it requires a lot of fuel, and if the fuel injector cannot do this, a detonation may occur, causing the engine to vibrate. The other way an injector will leak is if the injector body or nozzle cracks. You should get around an 11-13 volt reading. The injector and rail will have drops of fuel, so use the shop Symptoms include a lack of acceleration when you press the gas pedal or a vehicle trying to stall. Here's how to tell if your fuel injectors are bad and how much it costs to replace one. Its an excellent investment for both DIY mechanics and professional technicians, as it can assist in diagnosing and resolving even the most complex automotive problems easily, saving you time and money on costly repairs. Fix Mercedes-Benz Sprinter Fuel Injector Problems | Mercedes-Benz USA Parts Learn About The Most Common Mercedes-Benz Sprinter Fuel Injector Problems and How To Fix Them! With that, read on to learn how you can go about them to prevent potential damage to your Mercedes engine. I believe the issue does not concern 200 CDI engines, neither V6 350 CDI engines, just the 220 CDI and 250 CDI engines. If the injector cant deliver the dose of fuel called for by the ECU, the fuel-air mix in the combustion chamber will be off, which can lead to misfiring or a sudden drop in acceleration. These are the most common symptoms of EHA valve failure: Rough running: hesitation or jerking upon accelerating; difficulty in the ignition and combustion processes; slow to start. Take a look at our video below to learn more about how fuel injectors work. Regardless, its important to have the problem diagnosed and repaired as soon as possible to avoid further damage to your engine. This will affect the he most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. 4 Cyl 220D 240D 190D DIY Fuel Injector Rebuild Kit. Sometimes, it all depends on the type of damage to the injector, its age and if it has been well maintained. Labor usually costs between $50 and 200$. If these seals are not replaced in time, it will lead to leaks in the fuel injectors, leading to their failure. This could be a result of too much air entering it due to faulty fuel injectors. position. Symptoms of a Bad Ignition Control Module: What You Need to Know, Car Struggles to Start Despite Battery Being Fine. This can help you avoid unnecessary trips to the repair shop, saving you both time and money. Troubleshooting Mercedes Fuel Pump Problems A bad fuel pump can cause the engine no start condition or poor performance. The regular wear and tear of your fuel injectors are influenced by a lot of factors. screwdriver to remove or depress the clip. Although there are a few different reasons why a check engine light can switch on, it could be down to a fuel injector. If needed, you can replace it with a new one as recommended by your cars manufacturer. Home - Engine - Bad Fuel Injectors? Connect your fuel pressure tester. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. the engines cylinder. you between $50 to $100 to clean a very dirty injector. Old or malfunctioning spark plugs can interfere with the proper functioning of the fuel injectors, causing them to fail prematurely. Mercedes Benz Fuel Injector Problems | Facebook. The fuel pump may have failed if your Mercedes cranks but wont start. If your car has covered a lot of miles or ifyour engine is underperforming or randomly misfiring, it may be caused by bad fuel injectors. Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Some special workshops can do fuel injector cleaning for you. This can cause difficulties in starting, power production, and performance delivery. How Much Does It Cost To Replace An Alternator. Note that when you turn on the ignition, the fuel pump gets voltage for about 5 seconds to prime the system. the engine from the injectors that it uses for combustion. Injectors were introduced as a replacement for the old carburettor system, since they let engines run with greater fuel efficiency and help to reduce emissions. (6 Common Symptoms), Can a Seized Engine Still Drive? Any work that you carry out on your vehicle or vehicles in your care are at your own risk.#LeakingFuelInjector; #BlackDeath; #OM642; #MercedesInjectorLeak; #MercInjectorLeak; #CLKInjector; #CclassInjector; #SprinterLeakingFuelInjector; #W209; #W203; #FuelInjector; #MercedesSprinterFuelInjector; #LeakingDieselFuelInjector; #DieselInjectorLeak; #MercDieselFuelInjector; #MercedesDieselFuelInjector The fuel injectors with the help of high pressure, create a super fine spray pattern that will make the engine run efficiently. CarComplaints.com has complaints about Mercedes-Benz vehicles. Engine oil. Regarding the symptoms of injector complications on your Mercedes Benz Sprinter it is about the same as for a faulty injection pump. The Engine Misfires Dirty fuel injectors may cause your vehicle's engine to misfire. This can become hard and brittle from the heat of the engine. Remove the Schrader valve cap. Most modern engines use a technique known as direct injection to get the fuel into the engine chamber. This problem makes the motor feel as though it is sputtering sending vibrations through the car. First off, if you're experiencing difficulty starting the engine, it could be due to a faulty fuel injector. By connecting to your cars onboard computer, the scanner can read fault codes and provide detailed information about any problems with your engine, transmission, brakes, and other systems. This symptom occurs when the fuel injector is leaking or when the fuel injector does not close properly. "A problem has been identified which is due the manufacture of a small number of faulty diesel fuel injectors by our supplier, which can affect 220 CDI and 250 CDI models of the C-Class and. Most of these problems occur due to If youre driving a Mercedes and are experiencing some performance issues, its possible that you may have a problem with your fuel injector. stalling after you have pressed the accelerator, struggling to accelerate and become hard to drive. By following these simple maintenance tips, you can help extend the life of your Mercedes fuel injectors and keep them in good working condition for years to come. Do not start the car. Now insert the key and turn it to Because the nozzles are so small, the fuel is atomised, which makes it burn more efficiently. Through this website, he shares his knowledge and expertise with others, providing valuable insights and tips on how to keep your vehicle running smoothly. Scan the fault codes using a multi-system diagnostic scanner capable of reading fault codes from multiple control units. the engine on time. This requires immediate attention, as your engine could also start knocking and cause serious damage to your engine. This test applies to Mercedes-Benz vehicles equipped with 4-cylinder, V6, V8 and V12 gasoline engines such as M112, M113, M119, M104M272 and M273. Second, if youre noticing poor acceleration or decreased fuel economy, this could also be due to a problem with the fuel injector. When the needle valve is opened, fuel under enormous pressure is sprayed into the combustion chamber. skills, it will take you between 1 to 2 hours. Using a 17 mm fuel line wrench (J-47483) or a 17 mm open end wrench, tighten the high pressure fuel injector line nut at the transfer tube end by turning the nut through 120 degrees. Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. probably wont, or make much difference to a car that is running properly. Another case is that the fuel injector needs some lubrication because it has been standing unused for a while, especially if you have been driving on ethanol. First, lets look at the signs. And fix the fuel line into place. will wet the seals, and prevent leaks. You will use a little pressure Add your complaint here, about any vehicle. It has nozzles which spray fuel into In addition to providing diagnostic information, the YOUCANIC scanner can save you time and money on repairs by enabling you to perform simple fixes yourself. Fuel related misfires can be caused from not enough fuel. This causes the engine to run rich, leading to more fuel being used than necessary. On turbocharged engines, a clogged or dirty fuel injector can have dangerous effects and lead to a detonation that can damage the engine. It is therefore recommended that you take your car to a garage and have it scanned for error codes. Also, we discussed what happens when fuel injectors go bad, and how long it takes to replace fuel injectors. This guide is for an Engine Fuel If you turn the ignition ON, the fuel pressure should build up before you even crank the engine. injector that is causing the vibration. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. Before you replace the fuel pump, make sure the pump is getting power. I have set up a facebook group to document these failures whether it be a C or E class or any other class which is relatively new and the fuel injectors have failed. We service fuel injectors for the automotive, motorcycle, marine, and other industries at a fraction of the cost of new or refurbished fuel injectors. It arrives via a nozzle that is opened and closed with a needlevalve. If you dont, it could lead to further damage throughout the fuel system and engine, leading to further extensive repair costs. For a better experience, please enable JavaScript in your browser before proceeding. Dont be surprised if your Mercedes goes into limp mode for fuel-related problems. This is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. As a result, some fuel isnt burnt off meaning more harmful emissions are sent to the exhaust system. Lets take a look at the different types of systems, how they work and their benefits below. Typically problems related to the fuel pump and fuel pressure include: loss of power acceleration problems engine sputtering at high speed engine not starting engine stalling problems starting the car Howeverthe best fuel injector cleaners are great for maintaining injectors that have been well looked after, especially in diesel engines. You will need to investigate further to narrow down the cause of the misfire. Make sure to refill the fuel tank when it gets too low. Or, to browse our complete range of fuel additives, click here to visit the homepage. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Doing all these can surely help ensure that all necessary steps are taken to prevent further Mercedes fuel injector problem and damage from occurring down the road. Your email address will not be published. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. Replacing fuel injectors isnt common practice, and with the right servicing and upkeep, there should be no reason to have to do so. A bad fuel injector will wreak havoc with how your engine runs, and will likely leave you stranded on the side of the road. Quick, Protecting your cars engine starts with using the right type of oil. If one of the fuel injectors is clogged or dirty and is not efficiently supplying fuel to the engine, an electrical signal is sent to warn the driver. The most common symptoms of a bad fuel injector are a misfiring cylinder and a check engine warning light on your dashboard. I have worked as a mechanic since 2015 and have experience in vehicle brands like Subaru, Jeep, Toyota, TATA, BMW, Mazda, Honda, Nissan, Kia, TVs, and Others; however, I primarily specialize in Toyota vehicles. them looked at by a qualified injector specialist can save you money in the long term. This will cause knocking and excessive engine vibration. 1. Because fuel is leaking from the thing you could do is to change the O-rings if it has developed a leak. This happens due to inadequate Place a little white lithium grease on the O-ring to assist in seating them. and when it drops to the regular idle RPM, turn the engine off. Dad, nerd, loves cars, video games, MMA, and his only daughter. Theyprobably wont, or make much difference to a car that is running properly. Replacement fuel pumps for Mercedes can be purchased online to save money. deteriorate as time goes on. see a small metal clip that looks like a staple pin, use a small flathead Then, with your hand gloves on, grip So your engine is running badly (or not at all). Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. finally, the worst-case scenario is to replace the bad fuel injectors which The fuel pump is located in the fuel tank. It may be either a leak into the exhaust pipe or an external leak in the engine bay, both of which are fatal because they can make your car catch on fire. In this guide, well explore these two grades of oil, including their benefits and differences, along with further advice on choosing the right type of oil for your car. Possible Solutions to Your Mercedes Fuel Injector Problem. Because the injector is seated in the top of the engine cylinder, it is constantly exposed to heat and pressure. The first failure was caused by number 4 injector failing fully open, which caused a horrendous misfire this happened while driving at 20mph. Another great way to keep injectors in good health is to regularly add a fuel injector cleaner to to your fuel tank. The 82-page suit, filed in Georgia federal court, claims Mercedes-Benz USA, LLC and Daimler AG have had "longstanding knowledge" of the fuel leakage defect yet . causes the car to do convulsive or rough idling. That is due to the newer fuel-injected structures, the injectors work in sequence, so if when the car engine misses a dose of fuel, it won't run smoothly and may suffer damage over time. see update vid link above! Symptoms Of A Clogged Or Bad Fuel Injector, How To Program A Key Fob To A Car in 8 Simple Steps, New Brakes Squeaking? denied fuel because injector is going bad in one side, the matching cylinder As technology has advanced, different variations of fuel injection systems have emerged with engineers coming up with new ways to help injectors perform more efficiently. This improves fuel economy and helps to reduce emissions. Changing dealers can impact the following items in your cart: Choose a Dealer Mercedes-Benz of Lynchburg This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. So, if you drive a four-cylinder car, it will most likely have four fuel injectors. You will pay about $300-$450 for parts (fuel pump) at the dealer. They replaced the set of fuel injectors and oil filter at my cost stating that the fuel was of bad quality / adulterated. CHECK IT OUT - https://youtu.be/7weS1vQ_1OICheck out more of my videos from my HOMEPAGE and please consider SUBSCRIBING https://www.youtube.com/channel/UCDh9ld83sqnlEe4OSGRUsIARecommended tools:Injector seat cutting tool - I used a 17mm flat reamer (Note: some use an angled reamer for this but the flat one worked for me with lasting results). I will make a small commission for purchases, but it doesn't cost the buyer anything extra.Mercedes-Benz OM642 engine 3.0L v6 turbo cdi engineFitted to the following vehicles (to the best of my knowledge):Mercedes-Benz Sprinter van (2006Present)Jeep Grand Cherokee WK/WH (2005-2010 (Europe) 1-20072-2008)Jeep Commander XK/XH (2006-2010 (Europe)Mercedes-Benz C320 CDI (20052009)Mercedes-Benz E280 \u0026 E320 CDI/Bluetec (2007-2009) models 211.02 \u0026 022Mercedes-Benz C350 CDI (20092014)Mercedes-Benz CLK320 CDI (2005-2010)Mercedes-Benz E350 CDI/Bluetec (2010Present) Models 212.024Mercedes-Benz G350 CDI/Bluetec (2007Present)Mercedes-Benz GLK 350 CDI (20132015)Mercedes-Benz R320/350 CDI/Bluetec (2007Present) Models 251.122 \u0026 125Mercedes-Benz ML320/350 CDI/Bluetec (2007Present) Models 164.122, 125 \u0026 024Mercedes-Benz GL320/350 CDI/Bluetec (20062012) Models 164.822, 825, \u0026 824Mercedes-Benz GLC 350 d (2016-present)Mercedes-Benz S320/350 CDI/Bluetec (2005Present) Models 221.183Mercedes-Benz CLS320/350 CDI/Bluetec (20052018) Models 219.322; 218.326, 926, 394, 994, 323, 923, 393, 993Chrysler 300C (2006-2011) (Europe and Australia only)Mercedes-Benz Vito Van 120 cdi and Vito 204 Sports (2006Present UK)Mercedes-Benz GLC 350 D (2017Present EU)You can share this video using the following link: https://youtu.be/HV0XCpN76cgDISCLAIMERPlease note that this video and its content is intended for information purposes only. Next, reinstall the fuel rail. Back in 2010 we ran a report about failing injectors on Mercedes C and E. Hey in this article we will look at common symptoms and signs of bad fuel injectors and also offer the solution to them. The ECU triggers the warning light when the injector is delivering too much or too little fuel. If the fuel injectors spray pattern has changed, and it is injecting too little or too much fuel into the engine, your car will most likely not pass the emission test. The reason is that the injectors are joined to If you dont have a good diagnostic scanner, read this article on Top 10 Diagnostic Scanners for Mercedes-Benz. Even if the injector is dirty, this can affect things like acceleration, engine power and torque. Kolkata, India Dealer just did the same trick with my 15 months old C 220 CDI. Also, the ABS light is on but I do not believe its related. Required fields are marked *. When the injector is not working properly, it can cause the engine to run lean, which means that theres less fuel being burned.

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