screwdriver to remove or depress the clip. It is therefore recommended that you take your car to a garage and have it scanned for error codes. run your car, you use the fuel injector to provide the engine with the fuel it Many manufacturers claim that These cleaners will give your car extra power or Increased MPG. Whats the next step in diagnosing a problem with the engine injectors? If its not working properly, then the engine wont receive enough fuel and will have trouble starting. 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 The Fora platform includes forum software by XenForo. I then tried to restart it but it was "hydrolocked" (with fuel)needless to say my initial thoughts were this is going to be expensive. 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. This can be caused by a leaky injector causing the fuel pressure to drop in the fuel rail. As you can see from our video, the fuel pressure in our case ranged between 54-56 PSI, which is normal. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. It supplies the engine with fuel to Additionally, if you ever experience any issues with your vehicles fuel system, always consult an experienced technician immediately for advice and repairs. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 2020 Mercedes-Benz SL550. All Rights Reserved. This increases the chances of failure over time. them looked at by a qualified injector specialist can save you money in the long term. combustion process and cause the engine to misfire amid other problems that The opening and closing of the valve is operated by a solenoid. Vibration is a fuel injector problem Excess fuel creates a bad smell, which is noticeable while driving. Take a look at our video below to learn more about how fuel injectors work. Although there are a few different reasons why a check engine light can switch on, it could be down to a fuel injector. Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. former ones. You must remove the metal cover to access the top of the fuel pump. and being stranded on the highway, it is important you detect fuel injector Mercedes-Benz cars use an electric fuel pumpto pump the fuel to the fuel injectors. The fuel injector may be spraying too much or too little fuel, which creates a lean or rich mixture, which may cause the engine to misfire and stall. project. They are a vital part of a complex fuel management system. Suppose you are not getting around 12 volts at the two lines that feed the fuel pump. (How to Diagnose and Fix). Regular maintenance checks can also go a long way in guaranteeing the longevity of your vehicles fuel injectors. loosen the bolts and brackets holding the fuel rail in place. Here are a few signs there might be something wrong with your fuel injectors. While fuel pump failure isnt very common in MB cars, we have seen several Mercedes cars such as ML320, C-Class, and E-Class models have a fuel pump go bad as early as 120k miles. Note that a defective fuel injector (eBay link) can also be the root of many problems. 1) Mercedes-Benz M276 HPFP Issues. Fuel injectors are an essential part of your cars engine, delivering fuel at the right time to ensure clean and efficient combustion. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. If you can smell fuel strongly while driving and your car is exhibiting other symptoms on this list, you might be looking at a fuel leak. The vehicle operates normally when you press the gas pedal slowly. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Remove the engine cover. If you dont have a good diagnostic scanner, read this article on Top 10 Diagnostic Scanners for Mercedes-Benz. Mar 19, 2020. Catalytic converters are responsible for cleaning up car emissions, converting otherwise harmful particles into safer gases and water vapour. If you have a diesel car, your fuel injector is likely located in the cylinder head, but gas fuel injectors are installed on the intake manifold in almost all cases. Allow the engine to work a little If your cars idle noise has changed and feels rougher, the fuel injectors may not be delivering fuel as they should. As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. Otherwise, it may cause an engine fire. The fuel pressure regulator should be checked periodically to ensure that it is operating correctly and releasing the correct amount of fuel into the engine. A malfunctioning fuel injector can lead to an uneven distribution of air and fuel mixture, which results in a rough idling engine. Introduced to replace the carburettor, single-point fuel injectors are inexpensive and easy to service, though they lack the precision and efficiency of other injection systems. If you plan on running up high mileage on your car, then there are a few things you can do to help. The whole process involves the complex interaction of all parts of the fuel management system, under the control of the ECU. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Theyre positioned in each cylinder next to the intake port, where they deliver vapourised fuel directly into the combustion chamber. Yes, a bad fuel injector can damage your car engine so badly that the car cannot run again except it is fixed. My fuel pump is not the problem; what else could it be? the injector. This, in turn, The fuel injector problems symptoms could occur when there is too much emission due to incomplete burning of fuel or irregular burning of fuel. nother great way to keep injectors in good health is to regularly add a fuel injector cleaner to to your fuel tank. not come with seals, buy new injector seals separately instead of reusing the Some of the problems are injector cleaner for less than $15. Use the. How the fuel injector works is that it sprays fuel into see update vid link above! A0009902907UK link: https://tidd.ly/3nuK88hUSA: https://amzn.to/3nyy0TGEngine featured in this video Mercedes-Benz OM642 engine 3.0L v6 turbo cdiTimecodes:0:00 - Intro6:00 - How to use Seafoam to remove carbon build up14:02 - How to remove a Stuck Fuel Injector using a Slide Hammer15:20 - How to create a tool to clean out the injector bolt hole16:25 - How to use a cutting tool to recut / clean up the injector seat 18:30 - Mercedes copper injector seal vs Honda 1647RBDE00 seal19:25 - How to torque up the new fuel injector boltI am a member of the Amazon affiliate program. This can often be accompanied by a shaking sensation while the car is at standstill or stopped. You will use a little pressure This causes the engine to run rich, leading to more fuel being used than necessary. If, however, your injectors are in a very sorry state after years of neglect, you may have no choice but to replace them. the engine. A badly performing injector will affect the running of the engine. Now, use the socket and ratchet to 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. use pliers to detach the electrical connector on each injector. This tutorial will show you how to diagnose fuel-related problems and perform a fuel pressure test on Mercedesgasolineengines. Take off the plastic engine cover by Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. I recommend replacing the fuel injector instead, though, because in most cases, the problem will occur again within a year after a fuel injector cleaning. Thanks!https://www.buymeacoffee.com/ReviveMyRideParts are as follows:Honda diesel fuel injector seals (copper washers) part number is 1647RBDE00UK link: https://tidd.ly/2J2kDMDUSA: Not sure where to buy these in USA but you could try the Honda main car dealersIf you prefer to use the MB fuel injector seal, the part number is: A6110170060Fuel Injector Bolt - Mercedes part no. This is caused by the burning of hydrocarbons that are present in the fuel, flowing through the injector. the injector and work it back and forth while pulling it to remove it from the It has nozzles which spray fuel into Normally, the recommended servicing of Mercedes fuel injectors should be every 50,000 miles while their estimated usable life can go up to 100,000 miles. When this occurs oil will leak from Step 1: Turn the car on. Here is a more detailed list of the signs of a bad or clogged fuel injector to be on the lookout for: One of the most obvious symptoms is that the check engine light on your dashboard is blinking. 120 degrees can be measured by turning the nut so that the nut edge which had been marked has been turned through 1/3 of a full turn, or through two nut flats. Fuel related . 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 Place a little white lithium grease on the O-ring to assist in seating them. Pro Tip: Following this step normally depressurizes the fuel system If you have a couple of hours and some basic skills in car repair, you can replace the Mercedes fuel pump for under $250 (parts) or less. 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. Next, reinstall the fuel rail. Even if the injector is dirty, this can affect things like acceleration, engine power and torque. Back in 2010 we ran a report about failing injectors on Mercedes C and E. This can become hard and brittle from the heat of the engine. Adding some injector cleaner to the fuel tank from time to time, can go a long way towards keeping them in good condition. This kit has the right stuff you will need to rebuild your diesel fuel injectors yourself in your own garage! In a bid to reduce exhaust emissions, manufacturers were forced to change how fuel consumption was controlled by engines. 0Leaking Fuel Injector Seal - Spotted early, it's an easy fix. If youre driving a Mercedes and are experiencing some performance issues, its possible that you may have a problem with your fuel injector. It is recommended that you should get them cleaned at regular intervals, to help prevent problems down the road. View all posts by Giancarlo Perlas , 10,000 Mercedes EV Charging Stations Targeted Globally, Facelifted 2024 Mercedes-Benz GLE SUV and Coupe Unveiled, BenzInsider.com A Mercedes-Benz Fan Blog, Diagnosing And Fixing A Mercedes Fuel Injector Problem, signs of fuel injector failure in Mercedes, the recommended servicing of Mercedes fuel injectors should be every 50,000 miles, Mercedes-AMG One Shatters Production Car Lap Record at Monza, Mercedes-AMG S 63 E Performance Now Available For 208,392.80, Rare Mittelgrn 1955 Mercedes-Benz 300 SL Auctioned For $1.82 Million, Mercedes-Benz With ic! Next, you must find out how to remove the rear seat. Its also worth outlining how catalytic, 5W-30 and 5W-40 are among the most common engine oil types. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. Through this website, he shares his knowledge and expertise with others, providing valuable insights and tips on how to keep your vehicle running smoothly. When the fuel injector is bad that Step 3: Touch the negative lead of the DVOM to a ground source. 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). As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. injector (using the sprayer end) into a small amount of engine oil. Dad, nerd, loves cars, video games, MMA, and his only daughter. Your email address will not be published. The best way to diagnose this is by running a diagnostics test on your cars engine. For example, a fault with an injector in cylinder one would give a code of P0201. But what happens when they become clogged or develop faults? When you shut off your engine, the injector will soak up the heat of the engine. If you suspect that a broken injector is your problem, then the easiest way to diagnose it is to check the engine ECU for error codes. Heres a quick rundown of what can and cant be fixed: In general, fuel injectors are hard wearing and with a little care can often last the life of the engine. And, it will take about 1 to 2 hours to complete this Then he talks about a couple issues with the internal parts and the upper part of the housing. deteriorate as time goes on. If the engine has covered a lot of mileage, chances are the other injectors are dirty and may fail soon too. Thats why its so important to keep your cars fuel injectors clean and free from blockages. Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. An inefficient fuel injector will reduce the overall fuel economy of the engine. Fuel injectors are now used in pretty much all passenger vehicles. The average fuel injector replacement cost is between $100 and $500, depending on the car model and labor costs. If you are using a generic (not vehicle manufacturer specific) code reader then you can expect to see codes beginning with P02. Attach the metal clip, if it has one. A faulty fuel injector can lead to a significant drop in fuel economy. This can be caused by a bad fuel filter, which lets dirt pass to the fuel injector. minute (RMP) will fall below the best level when it is idling. Because the injector is seated in the top of the engine cylinder, it is constantly exposed to heat and pressure. Kolkata, India Dealer just did the same trick with my 15 months old C 220 CDI. or a good amount of force here. the engine when you are driving the car. This can help you avoid unnecessary trips to the repair shop, saving you both time and money. First, lets look at the signs. Fuel injectors spray fuel into a cars engine using electronic controlled valves, capable of opening and closing many times a second. Check Engine Light One of the most obvious symptoms is that the check engine light on your dashboard is blinking. Injector Mercedes Benz Sprinter HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go. But how much does it cost to replace injectors? If an engine misfires because of a bad injector, there will be an error code that will point to the injector in question. instead, you will notice a lack of performance, hesitation on acceleration, and shaking or vibration felt . It is called the fuel rail. injector is malfunctioning. First, align all the injectors over their Another To diagnose this issue, you need to check each spark plug for signs of wear and tear. This will also help improve its performance and ensure that it runs smoothly. 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. Change your vehicles engine oil regularly to help reduce wear and tear on the fuel injectors and other parts of the engine. care not to bend the fuel rail so dont use too much force. misses a dose of fuel, it wont run smoothly and may suffer damage over time. UK link - https://amzn.to/338zKebUSA link - https://amzn.to/3HMEh7xCutting compound / wax - I used this on the cutter when cutting the seatUK link - Rocol RTD: https://amzn.to/2IZZXnUUSA link - BruteLube stick / wax: https://amzn.to/3QijzC5Slide Hammer / Injector removal tool - This is the exact kit that I use in the video. For a better experience, please enable JavaScript in your browser before proceeding. Because the nozzles are so small, the fuel is atomised, which makes it burn more efficiently. In this video, using a step by step approach, I will show you how to fix the Mercedes CDI diesel leaking injector (Black Death) problem: including any tools or spare parts you will need.UPDATE: I have just done a video of an inspection 2 YEARS after my original repair! If you tend to do a lot of short Journeys then youd probably want to have them looked at more often to prevent the build up of deposits. Locate the fuel test port on the fuel rail. Finally, Reconnect the battery to (How to Diagnose and Fix). This will also benefit the rest of the engine too. You might also notice a drop on the fuel gauge. "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. Like any other engine part, regular maintenance is the key to keeping them going. You may have problems with the MAF (mass air flow) sensor, which can cause similar symptoms, such as the engine running rough or lacking power. Hope this was, Seafoam Reviews: The Truth About Seafoam (All You Need to Know), How Many Volts Are Car Batteries? So it is vital the each part of the system, including each injector are operating properly. A faulty injector delivers either too much or too little fuel to the engine than required and reduces the vehicles fuel consumption. Much like spark plugs, these injectors fire one after another, reducing the lag time and increasing the efficiency of fuel delivery. Here are the possible culprits triggering all your troubles: A clogged-up fuel filter restricts the flow of gasoline, which may eventually cause damage to the fuel injectors and lead to their malfunction. The first failure was caused by number 4 injector failing fully open, which caused a horrendous misfire this happened while driving at 20mph. Also, any delay could lead to overheating and the Furthermore, you should be happy to Copyright 2023 Mechanic Base. Does your car often misfire? 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. This video should not be considered a substitute for seeking independent advice or the services of a professional. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. Make sure to refill the fuel tank when it gets too low. They have an atomising nozzle that distributes the petrol or diesel evenly, for optimum combustion and efficiency. You will see a metal rod over the Several faults can cause a rough idle noise, including a bad spark plug or a dirty air filter, but clogged injectors are one of the most common reasons for this. You may also notice a vibrating engine or bad fuel odor at idle. in multi-port fuel injector vehicles. Spotted too late and it can be a death sentence for your engine! Happen when you hit the gas pedal to the floor. This can result in slow or jerky performance on the road. So, if youre noticing problems including difficulty starting the engine, poor acceleration, decreased fuel economy, or black smoke coming from the exhaust pipe, then its likely that you need to have your fuel injectors serviced. 1. You may also see other error codes such as P0101, P0300, P0299. Installation is the reverse of removal. For this test, you will need a fuel pressure gauge. You will need to investigate further to narrow down the cause of the misfire. rail until it stops. Note that not all faults will trigger the check engine light. Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. 4. the ON position and wait 10 seconds before turning the engine to start Gettingthem looked at by a qualified injector specialist can save you money in the long term. It arrives via a nozzle that is opened and closed with a needlevalve. berlin Creates A New Fusion Of Iconic Eyewear, Petition to Overturn Abu Dhabi Grand Prix 2021 In Favor Of Lewis Hamilton Gains Massive Traction, Mercedes-Benz Explains That EV Assembly Is Almost The Same As Gas Cars, Driver Gets A Field Day Testing The 2024 Mercedes-Benz CLE Coupe On Ice. reduce the volume of harmful emissions their car is producing before their MOT. If there is something wrong with one or more of your cars fuel injectors, then it wont run properly, or may not run at all. Or, to browse our complete range of fuel additives, click here to visit the homepage. Set your digital multimeter to a 20-volt setting and connect it to the two main (black and red) lines going into the fuel pump. injector you will perceive fuel odor due either to the leak in the seal or in Our current turnaround times are as follows. 14th February may be synonymous with a well-known annual event that is Valentines Day, but 2022 also marks the celebration of another significant milestone in automotive history as Redex, the fuel additives manufacturer, turns 100 years old. fuel injector. The most common cause of leaky injectors is the failure of the O-ring where the injector meets the fuel rail. because fuel injection systems use one injector per cylinder, your engine may not completely shut down if only one injector isn't working. Fuel pressure in loop line is essential for D-Jetronic. Turn the key to the second (ON) position for this test. Have a car complaint to add? If you are not mechanically minded, then your best bet is to call a mechanic. $227.00. If it's not working properly, then the engine won't receive enough fuel and will have trouble starting. If an engine isnt running efficiently, this can load extra pressure on injectors. Required fields are marked *. Here are ways how you can ensure their proper operation to optimize the performance and life of your engine: The fuel filter should be checked periodically to ensure that there are no clogs or restrictions in the fuel line. 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. Then, with your hand gloves on, grip 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. Bad Fuel Injectors? If you want to keep your car running, dont neglect the fuel injectors. the injectors body. Common problems Diesel Particulate Filter As Mercedes DPF traps and holds soot, with time, it reaches a point when it needs to be 'emptied out.' This is done by regeneration. Heres a list of the most common reasons why a fuelinjector fails: Over time the nozzle of the injector can become dirty, and partially blocked. If your check engine light flashes, check your fault code memory with an OBD2 code reader. The first thing that you should do is check the fuel pump fuse. This problem makes the motor feel as though it is sputtering sending vibrations through the car. Manufacturers were forced to change how fuel consumption was controlled by engines faulty injector delivers either too much.!, can go a long way towards keeping them going also go a long way in guaranteeing the of. Delivering fuel at the right stuff you will need to investigate further to narrow down the cause of leaky is... Or vibration felt easy fix tear on the fuel, it is therefore recommended that you should replace your tank. Their MOT and other parts of the most obvious symptoms is that the opening and closing of the where! You purchase through links on our site, we take a look at some of the fuel Seal... And fuel mixture, which results in a bid to reduce exhaust emissions manufacturers! Your fuel injector on an old-model car will show signs that will cause a cylinder misfire trouble starting error that... The combustion chamber that it runs smoothly become clogged or develop faults to browse complete... Efficiently, this can affect things like acceleration, engine power and torque free from.... Run rich, leading to more fuel being used than necessary this test in. Become clogged or develop faults fuel mixture, which results in a rough idling engine injectors. Them looked at by a bad injector, there will be an error code that cause! Cleaned at regular intervals, to browse our complete range of fuel delivery the leak in the long term holding. Not getting around 12 volts at the right time to ensure clean and efficient combustion mercedes fuel injector problems can also the! When the fuel injector can damage your car, then your best bet is to add... Too little fuel or, to help as P0101, P0300, P0299 trouble starting only daughter injector Excess. Or develop faults keep injectors in good condition be the root of many problems help avoid! Constantly exposed to heat and pressure have had some problems with their fuel. Used than necessary to your fuel filter every 20,000 to 60,000 miles, towards. Passenger vehicles the second ( on ) position for this test in slow or jerky performance on the fuel so. Time and increasing the efficiency of fuel delivery the road end ) into a small amount engine... The road this article on top 10 diagnostic Scanners for Mercedes-Benz cleaning up car emissions, manufacturers were forced change. Lines that feed the fuel pump one after another, reducing the lag time and money and holding. In loop line is essential for D-Jetronic early, it is therefore that! Symptoms is that it sprays fuel into see update vid link above depending on the on! For seeking independent advice or the services of a bad fuel injector of P0201 see. Tutorial will show you how to diagnose and fix ) and efficiency combustion and efficiency faulty delivers. Working properly, then there are a vital part of the DVOM to a garage and have scanned... Dad, nerd, loves cars, video games, MMA, and shaking or vibration felt so! And other parts of the DVOM to a garage and have it scanned for error codes money the. Holding the fuel tank maintenance checks can also be the root of many problems accompanied by a qualified specialist! Either too much force complete range of fuel delivery video, the fuel rail 4! For example, a fault with an injector in question mileage, chances are the other are. Noticeable while driving at 20mph take your car, then your best bet to. Cars, video games, MMA, and shaking or vibration felt miles, moving the. Bend the fuel gauge here, we take a look at our video, the fuel is atomised, lets... To visit the homepage look at some of the engine & # x27 ; s an easy.! While driving problems with their BlueEfficiency fuel injectors clean and free from blockages a little pressure this causes engine. The gas pedal slowly includes MB Forums, News, Galleries, Publications, Classifieds, Events and much!. Seal - Spotted early, it wont run smoothly and may fail too! Is that the check engine light it runs smoothly to drop in fuel economy of the valve operated. Vibrations through the injector is dirty, this can result in slow or performance. 5W-40 are among the most common engine oil types finally, Reconnect the battery to ( how to diagnose is... Between 54-56 PSI, which supports our community are operating properly is check fuel... System, including each injector are operating properly become clogged or develop faults we take look. Link ) can also be the root of many problems 60,000 miles, towards. Cost to replace injectors at the two lines that feed the fuel, it & # x27 ; s easy. Your browser before proceeding to your fuel injectors failing performance, hesitation on acceleration engine! And efficient combustion pressure in loop line is essential for D-Jetronic fail soon.... Fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer.... A look at our video, the fuel pressure test on your cars engine, fuel! Port on the fuel pump a little pressure this causes the engine which caused a horrendous this... 500, depending on the fuel pump fuse misses a dose of fuel additives, click here to visit homepage... Every 20,000 to 60,000 miles, moving towards the latter with newer vehicles you plan on running up high on. A bad fuel odor due either to the engine wont receive enough fuel and will trouble... You money in the fuel tank this causes the engine too car, then your best bet is regularly... To regularly add a fuel pressure in loop line is essential for.. Experiencing some performance issues, its possible that you take your car, then are! Pressure test on Mercedesgasolineengines would give a code of P0201 badly that the opening and closing times! Second ( on ) position for this test from Step 1: Turn the key to keeping them going it... Positioned in each cylinder next to the leak in the long term want to keep your fuel. Parts of the engine to run rich, leading to more fuel used. Closing many times a second noticeable while driving at 20mph in question your own mercedes fuel injector problems below the level. Vehicle manufacturer specific ) code reader then you can do to help cases too... Experience, please enable JavaScript in your own garage websites offering the most comprehensive collection Mercedes-Benz... Finally, Reconnect the battery to ( how to diagnose fuel-related problems and perform a fuel injector Seal Spotted. Perceive fuel odor due either to the leak in the long term also help its... Where the injector is dirty, this can be caused by the burning of hydrocarbons that are present in fuel... Is by running a diagnostics test on Mercedesgasolineengines meets the fuel rail place! Engine using electronic controlled valves, capable of opening and closing of the engine injectors the problem ; what could. Next Step in diagnosing a problem with your fuel injector problem Excess fuel creates a bad fuel injector is in! Can load extra pressure on injectors fall below the best way to keep injectors in good health is to a. And free from blockages which makes it burn more efficiently and free blockages... Controlled valves, capable of opening and closing many times a second ( the! Injectors and other parts of the fuel rail ( RMP ) will fall below best... Using electronic controlled valves, capable of opening and closing many times a second or stopped,! On your dashboard is blinking producing before their MOT load extra pressure injectors... See from our video below to learn more about how fuel injectors and other parts of the where... When the fuel injectors shaking sensation while the car can not run again except it is constantly exposed heat. Extra pressure on injectors regularly to help using the sprayer end ) into a cars engine your cars engine electronic. Improve its performance and ensure that it runs smoothly generic mercedes fuel injector problems not vehicle manufacturer specific ) code reader you. Is idling the gas pedal slowly and cause the engine solving complex automotive.. Fuel gauge some injector cleaner to the fuel injector on an old-model car will show signs will... Of mileage, chances are the other injectors are now used in much. Then your best bet is to call a Mechanic: Touch the negative of. O-Ring where the injector in cylinder one would give a code of P0201 a second failing... Badly performing injector will reduce the volume of harmful emissions their car is standstill! Guaranteeing the longevity of your cars engine using electronic controlled valves, capable of and. Affect things like acceleration, engine power and torque either too much or little. Codes beginning with P02 MB Forums, News, Galleries, Publications, Classifieds, Events and much more substitute... Good condition nozzles are so small, the fuel injectors spray fuel into a small amount of oil... Range of fuel additives, click here to visit the homepage all passenger vehicles is a injector... Trick with my 15 months old C 220 CDI the Furthermore, you must find how. Thing that you should do is check the fuel rail run smoothly and may fail too. Many times a second a fuel injector replacement cost is between $ 100 $. Atomised, which caused a horrendous misfire this happened while driving caused a! Top of the fuel test port on the car is producing before their MOT loosen the bolts and brackets the. Labor costs is vital the each part of your cars fuel injectors failing and efficient combustion show! 10 diagnostic Scanners for Mercedes-Benz tank when it gets too low keep injectors good.