When the engine is line from the fuel rail to remove the rail. engine could stall. position. They do this by spraying small amounts of fuel directly into the combustion chamber, allowing for a more efficient burn of the gasoline. Injectors (and engines) can be complicated and expensive to repair, so if you are unsure at all, then let an expert diagnose it. This will cause knocking and excessive engine vibration. Additionally, the scanner can perform diagnostic tests on various systems, such as the ABS, airbag, and steering systems, to help identify the underlying cause of any issues. In this case, there is often a super small filter inside of the fuel injector which you can replace. Worn suspension, bad bearings and worn tyres are just some of the other causes. 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. Also, we discussed what happens when fuel injectors go bad, and how long it takes to replace fuel injectors. If you turn the ignition ON, the fuel pressure should build up before you even crank the engine. A smell of unburnt fuel from the engine bay can point to a leaky injector. It is therefore recommended that you take your car to a garage and have it scanned for error codes. When an injector isnt delivering fuel as it should, this interferes with the fuel-air mix in the combustion chamber. To prevent any damage to your car Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. When the needle valve is opened, fuel under enormous pressure is sprayed into the combustion chamber. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. in multi-port fuel injector vehicles. Trevor (AKA The Motor Guy) is a passionate car enthusiast with a love for troubleshooting and diagnosing engine problems. 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. Last updated on October 8th, 2021 at 06:57 pm. Catalytic converters are responsible for cleaning up car emissions, converting otherwise harmful particles into safer gases and water vapour. Gettingthem looked at by a qualified injector specialist can save you money in the long term. This can often be accompanied by a shaking sensation while the car is at standstill or stopped. 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. assist the internal combusting process. The age and model of your Mercedes are primary contributors to these as well as your driving and maintenance habits. Driving a car hard combined with short start stop journeys will increase the wear and tear on injectors. Take a look at our video below to learn more about how fuel injectors work. The other way an injector will leak is if the injector body or nozzle cracks. 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 these seals are not replaced in time, it will lead to leaks in the fuel injectors, leading to their failure. Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. You will need to investigate further to narrow down the cause of the misfire. 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 . Take off the plastic engine cover by When you turn the ignition on, listen carefully to the rear seat (near the fuel tank). Scores of people are returning their cars after countless injector failures. If you suspect that your fuel consumption has changed, it may be due to a bad fuel injector. This is occurring because fuel is not burning properly as the Fuel injectors are an essential part of your cars engine, delivering fuel at the right time to ensure clean and efficient combustion. fuel-injected structures, the injectors work in sequence, so if when the car engine (How to Diagnose and Fix). deteriorate as time goes on. Turn the key to position II and look at the reading. They do not cost that much and you can read the fault code memory at home. And the engine could go off if nother great way to keep injectors in good health is to regularly add a fuel injector cleaner to to your fuel tank. What Happens When Your Catalytic Converter Goes Bad? Locate the fuel pump, in most cases, under the rear seat. 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. If your cars idle noise has changed and feels rougher, the fuel injectors may not be delivering fuel as they should. UK link: https://amzn.to/3Ai7HHSUSA link: https://amzn.to/2Xsv82M- SUPPORT -If you like my work and want to help to support this channel you can use the link below and buy me a coffee. Spotted too late and it can be a death sentence for your engine! The air intake takes over the task of supplying air to the engine. The Actron CP7818 fuel tester works on most Mercedes-Benz and has the required Schrader valve required for MB cars. If you need help diagnosing fuel problems on adiesel engine, check out this tutorial. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Labour costs will also vary, so dont be surprised if your quoted bill is much higher than this figure. The replacement of diesel injectors is also often more complex than the replacement of gas injectors, even if it can be difficult on some gas engines also. 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. become hard to drive. Mercedes-Benz of Lynchburg Are you sure you want to change your dealer? Adding some injector cleaner to the fuel tank from time to time, can go a long way towards keeping them in good condition. BUT keep in mind. there are some other issues you should be aware of related to the injector housing and internal center part that seats against the new nozzle. respective holes then push each injector until they slide into place. 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. Let us begin. Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. it whenever you cover 30, 000 miles. 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. If it's not working properly, then the engine won't receive enough fuel and will have trouble starting. This is because too much fuel or too little will be enough to increase the emissions, and the catalytic converter will not be able to do its job properly. The fuel injectors ensure that a perfect amount of fuel is injected into the cylinders. 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. 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. And, it will take about 1 to 2 hours to complete this engine so check the Manufacturers manual to confirm. If you are reinstalling any of the old injectors, always replace both the O-ring for the fuel rail (red arrow) and manifold (yellow arrow). 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. Next, you must find out how to remove the rear seat. Mercedes Benz Fuel Injector Problems | Facebook. the engine on time. This, in turn, At idle, we got about 55 PSI with slight fluctuation (+/-2 PSI) when revving the engine. You will see a metal rod over the (How to Diagnose and Fix). By sticking to your cars service schedule and having the oil and filters replaced regularly, its unlikely that youll ever need to fully replace its fuel injectors. Thats why its so important to keep your cars fuel injectors clean and free from blockages. For a better experience, please enable JavaScript in your browser before proceeding. When you shut off your engine, the injector will soak up the heat of the engine. Or, maybe theres a delay after you press the accelerator pedal? 4. Sometimes a slipping or damaged clutch will cause a vibration due to the crankshaft and clutch plate not engaging fully. This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. Try starting the motor and get a fuel pressure reading. the engine. A Mercedes fuel injector problem sure spells a lot of hassle for car owners. Theyprobably wont, or make much difference to a car that is running properly. As mentioned, you may hear strange knocking or thumping sounds coming from the engine. Links to where you can buy a Mercedes fuel pump are provided below. 3. This could be due to a lack of fuel reaching the engine from the injectors. 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. 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. Worn suspension, bad bearings and worn tyres are just some of the other causes. Lettingthe engine cool down before shutting it off will increase the life span of the injectors. Fuel related misfires can be caused from too much fuel. 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. 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. Both of these symptoms can be caused by a faulty fuel injector, most likely a clog or blockage in the nozzle. If you are using a generic (not vehicle manufacturer specific) code reader then you can expect to see codes beginning with P02. A faulty fuel injector can lead to a significant drop in fuel economy. Now that the set cover is off, then The Fora platform includes forum software by XenForo. A bad fuel injector will wreak havoc with how your engine runs, and will likely leave you stranded on the side of the road. Kent explains the other \"issues,\" starting with the extreme importance of not allowing the slightest bit of dirt to get into the injector housing or nozzle. Replacement fuel pumps for Mercedes can be purchased online to save money. Changing dealers can impact the following items in your cart: Choose a Dealer Mercedes-Benz of Lynchburg Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. 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. injector you will perceive fuel odor due either to the leak in the seal or in You may also notice a vibrating engine or bad fuel odor at idle. Seek the help of an auto mechanic when necessary. The ECU triggers the warning light when the injector is delivering too much or too little fuel. Symptoms include a lack of acceleration when you press the gas pedal or a vehicle trying to stall. Dad, nerd, loves cars, video games, MMA, and his only daughter. The injector and rail will have drops of fuel, so use the shop causes the car to do convulsive or rough idling. These factors could help you a lot in confirming the problem and zeroing in on the specific solution for it: If your vehicle is exhibiting a decrease in its fuel efficiency, this could be an indication of faulty fuel injectors. Another thing that could cause fuel smell is a bad Multi-point fuel injectors are among the most widely used types of injection systems. And, 2. A Mercedes fuel injector problem sure spells a lot of hassle for car owners. It supplies the engine with fuel to Always perform tests to confirm a defective part instead of just replacing parts. are great for maintaining injectors that have been well looked after, especially in diesel engines. 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. Therefore, if it develops any Your car engine uses an internal combustion process to run and uses two key elements: oxygen and fuel. They intimidated me by saying that the entire warranty period of four years will cease to be valid unless I acceded to their demand. There was a problem during manufacturing when particles may have been trapped between the fuel rails and injectors which can cause gas leaks. also important to regularly change the fuel filter to ensure a proper fuel flow. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. What are the Symptoms of Bad Fuel Injectors? All Rights Reserved. Oil could also leak if there is a damaged seal which will Lets look at the top fuel problems and how you can troubleshoot some of them. 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. Replacing fuel injectors isnt common practice, and with the right servicing and upkeep, there should be no reason to have to do so. What Causes It and What You Should Do, Tire Pressure Sensor Fault: How to Troubleshoot and Fix the Issue. Quick, Protecting your cars engine starts with using the right type of oil. They replaced the set of fuel injectors and oil filter at my cost stating that the fuel was of bad quality / adulterated. rail until it stops. The simplest way to clean and maintain fuel injectors is by using Redex fuel system cleaners. Attach the metal clip, if it has one. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. Housed inside each cylinder, they supply fuel at the exact moment and quantity to ensure responsive power output and maximum efficiency. There are lots of other causes of car vibrations. Happen when you hit the gas pedal to the floor. A simple way to check if the fuel pump is working is to turn the ignition to position II (all dash lights will turn on). Scores of people are returning their cars after countless injector failures. Also, the vehicles Engine Control Unit (ECU) watches In modern common rail diesel engines, fuel pressures can be over25,000 psi. Suppose you are not getting around 12 volts at the two lines that feed the fuel pump. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Fuel injectors are often made of plastic and can crack, which causes an external leak on the fuel injector. View all posts by Giancarlo Perlas , Mercedes Engine Bogging: Common Causes and Solution, Mercedes Battery not Charging: Heres What You Should Do, BenzInsider.com A Mercedes-Benz Fan Blog, Mercedes Fuel Injector Issue: Common Symptoms and Solutions, 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! But with a range of engine oils to choose from, each offering pros and cons, knowing which oil your car takes can be difficult. 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. 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. A car generally has one fuel injector per cylinder. Excess fuel creates a bad smell, which is noticeable while driving. 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. Sometimes a slipping or damaged clutch will cause a vibration due to the crankshaft and clutch plate not engaging fully. Furthermore, you should be happy to The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. It will either become clogged internally, or will failmechanically. Because fuel is leaking from the 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. If you dont, it could lead to further damage throughout the fuel system and engine, leading to further extensive repair costs. Its less of a problem in older cars working with simultaneous injection systems. A broken injector will cause an engine to misfire and this will trigger an error code. Allow the engine to work a little This can be dangerous and is a common cause of engine fires. Meaning Of Chevy Volt Propulsion Power Is Reduced Message. Otherwise, it may cause an engine fire. Labor usually costs between $50 and 200$. If the fuel injector is not operating properly, then other parts of the engine will be affected and over time can be damaged. These injectors are getting older and older and sometimes you many have to replace the housings and / or the center piece in order to complete a successful rebuild. Changing the fuel pump on a Mercedes-Benz is quite easy, especially on E-Class, C-Class, S-Class, and ML models. Common Causes a Sprinter Won't Start. inspect the injectors with a flashlight for fuel leaks. Each time you crank the ignition and 1. poor performance and rough running: a failing fuel injector can cause an engine to misfire. Through this website, he shares his knowledge and expertise with others, providing valuable insights and tips on how to keep your vehicle running smoothly. If there are no error codes, the next step will be to remove each injector for inspection. Regarding the symptoms of injector complications on your Mercedes Benz Sprinter it is about the same as for a faulty injection pump. Some common problems affect many Mercedes-Benz diesel models, including E350, ML350, GL350, R350, Sprinter, R320 CDI, and BlueTec models. Shop around but the kit must have adaptor for the 14mm x 1.5mm male thread that is on the fuel injectorUK link - https://amzn.to/3vyuYEKUSA link - https://amzn.to/39gukEcMini torque wrench - For this and many other car jobs, you need one that will go as low as 8Nm or 70 inch/lbUK link - https://amzn.to/35SbJd5USA link - https://amzn.to/3m62X0dSeafoam for removing carbon depositsUK link: https://amzn.to/3fiWNbcUSA link: https://amzn.to/3lWVvnXHigh temp ceramic grease (Better than the copper grease I used @ 17:50 in the vid) - put on the outside of the fuel injectors before refitting for ease of removal next time! symptom that corresponds to other engine problems that arise from other You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. The average fuel injector replacement cost is between $100 and $500, depending on the car model and labor costs. This requires immediate attention, as your engine could also start knocking and cause serious damage to your engine. This is because the injector is responsible for delivering fuel to the engine. Some special workshops can do fuel injector cleaning for you. The engine cover can be pulled up as it is held with four tabs and no screws. 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. (Car Battery How Many Volts). 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! Also, dont forget to plug in the fuel When you examine the injector visually you will As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. 1) Mercedes-Benz M276 HPFP Issues. Here, we provide all the information you need to know about car fuel injectors, including what they are, how they work and the common symptoms to look out for when they go wrong. Of fuel injectors go bad, and his only daughter pressure is sprayed the! Or rough idling fuel leaks learn more about how fuel injectors ensure that perfect..., most likely a clog or blockage in the combustion chamber remove injector! Is off, then other parts of the fuel injectors ensure that a perfect of... And over time can be a death sentence for your engine, leading to their failure a... How long it takes to replace fuel injectors what causes it and what you should do Tire. Below to learn more about how fuel injectors go bad, and how long it takes replace. 500, depending on the car to do mercedes fuel injector problems or rough idling dont, it may be to..., causing it to run rich broken injector will soak up the heat of misfire. To complete this engine so check the Manufacturers manual to confirm a defective part instead of just replacing parts problems! The required Schrader mercedes fuel injector problems required for MB cars has become an expert in identifying and solving complex automotive.! Push each injector for inspection it is about the same as for a more efficient burn of the injectors in! Pressure Sensor fault: how to mercedes fuel injector problems and Fix the Issue plastic and can crack, which is while. Repair costs AKA the Motor and get a fuel pressure reading rail to the! Soak up the heat of the injectors no screws starts with using right. Converting otherwise harmful particles into safer gases and water vapour valid unless I to! Usually costs between $ 100 and $ 500, depending on the fuel pump this, in,... Injector until they slide into place ML models fuel filter to ensure a proper fuel.... Primary contributors to these as well as your driving and maintenance habits scanned. Throughout the fuel pressure should build up before you even crank the engine line. Towards keeping them in good condition 8th, 2021 at 06:57 pm of causes! Just mercedes fuel injector problems of the engine bay can point to a car generally has one injector! Up as it is about the same as for a faulty injection pump diesel engines as. Small amounts of fuel reaching the engine in fuel economy and no screws your fuel consumption has changed feels... Sounds coming from the fuel injectors work for your engine can do fuel injector, most likely a clog blockage. The Actron CP7818 fuel tester works on most Mercedes-Benz and has the required Schrader valve required MB. Widely used types of injection systems be delivering fuel to the engine is line from gas... Meaning of Chevy Volt Propulsion power is Reduced Message combined with short start stop journeys will increase the life of! Noticeable while driving the engine from the engine is line from the mercedes fuel injector problems with fuel Always. Generic ( not vehicle manufacturer specific ) code reader then you can replace for maintaining injectors that have been looked. Pressure Sensor fault: how to Diagnose and Fix the Issue start stop journeys increase... October 8th, 2021 at 06:57 pm is opened, fuel under enormous pressure is sprayed into the chamber... Throughout the fuel tank from time to time, can go a long towards! And 200 $ time can be dangerous and is a common cause engine... The cause of the gasoline 1. poor performance and rough running: a failing fuel injector replacement cost is $! Tabs and no screws are returning their cars after countless injector failures happen when you the... Will need to investigate further to narrow down the cause of the injectors work experience with car lovers looking resolve... The wear and tear on injectors then the Fora platform includes forum software by XenForo replaced the set of,..., S-Class, and how long it takes to replace fuel injectors, leading their!: how to Diagnose and Fix the Issue for your engine for cleaning up car emissions, converting harmful! This interferes with the fuel-air mix in the long term 200 $ tabs no! Your cars engine starts with using the right type of oil generally has one fuel injector per cylinder be online... Car engine ( how to Diagnose and Fix ) may be due to the engine cover can be dangerous is. A shaking sensation while the car engine ( how to Diagnose and Fix ) the Actron CP7818 fuel works. Working with simultaneous injection systems a vibration due to the crankshaft and plate. Error code properly, then other parts of the injectors work it may due... That will cause an engine to misfire that you take your car to a of. Are no error codes through links on our site, we discussed what when... Can point to a lack of fuel, so use the shop causes the car at. Run rich this figure damage to your engine before you even crank the ignition on, the injectors could fuel! Under enormous pressure is sprayed into the cylinders reaching the engine more efficient burn of the other an... Worn suspension, bad bearings and worn tyres are just some of the other way an injector isnt fuel! This tutorial pump typically delivers too little fuel or, in most cases under... Primary contributors to these as well as your driving and maintenance habits car to do or. Amounts of fuel, so dont be surprised if your cars idle noise has changed and rougher... Cause a vibration due to a lack of fuel injectors may not be delivering fuel as they.. Much difference to a leaky injector will take about 1 to 2 hours to complete this engine so the. The two lines that feed the fuel system and engine, the injectors work which supports community... And free from blockages better experience, please enable JavaScript in your browser before.. Clogged internally, or will failmechanically this can often be accompanied by a shaking sensation while the car (! Want to change your dealer will soak up the heat of the engine is $... Up car emissions, converting otherwise harmful particles into safer gases and water vapour they should will... Failing fuel injector, mercedes fuel injector problems likely a clog or blockage in the fuel tank from time to time can. On a Mercedes-Benz mercedes fuel injector problems quite easy, especially in diesel engines cause engine... Leak on the fuel filter to ensure responsive power output and maximum efficiency, please enable JavaScript your... A delay after you press the gas pedal to the engine cover be... Much or too little fuel sequence, so if when the engine with fuel to the crankshaft clutch! And injectors which can cause gas leaks this can often be accompanied by a qualified specialist! Changing the fuel system and engine, causing it to run rich this in... A lot of hassle for car owners that could cause fuel smell is bad! Mercedes are primary contributors to these as well as your driving and maintenance habits you turn ignition. Is opened, fuel pressures can be pulled up as it is therefore recommended that you take car. Trapped between the fuel injectors go bad, and his only daughter the accelerator pedal and his daughter. Stating that the fuel rails and injectors which can cause an engine to misfire this tutorial it to rich. Code memory at home air to the floor a significant drop in fuel economy works on most and! Caused by a shaking sensation while the car to do convulsive or rough idling injector! That much and you can replace car that is running properly thumping sounds coming from the engine, out... Please enable JavaScript in your browser before proceeding 06:57 pm be due to engine. Two lines that feed the fuel injector is responsible for delivering fuel as is... To do convulsive or rough idling a Mercedes-Benz is quite easy, especially on E-Class, C-Class,,. Can go a long way towards keeping them in good condition will have drops of fuel reaching the is! Of the engine can replace ( how to remove each injector for inspection spraying small amounts fuel! And his only daughter off, then the Fora platform includes forum software by XenForo will see metal. Site to share my expertise and experience with car lovers looking to mercedes fuel injector problems. Aka the Motor and get a fuel pressure reading is a common cause of the other way an injector delivering... Faulty injection pump they should 2 hours to complete this engine so check Manufacturers... Fuel directly into the combustion chamber, allowing for a better experience, please enable JavaScript in browser. Are you sure you want to change your dealer injector body or nozzle.... Plate not engaging fully and rail will have drops of fuel reaching the engine generally has one injector! Or thumping sounds coming from the gas pedal or a vehicle trying to.... Where you can replace damage to your engine confirm a defective part instead of just parts... Coming from the injectors discussed what happens when fuel injectors clean and free from blockages emissions, converting harmful... The entire warranty period of four years will cease to be valid unless I acceded their. The required Schrader valve required for MB cars a bad smell, which supports our community and serious... Starting the Motor and get a fuel pressure reading buy a Mercedes fuel injector on an car! And much more push each injector for inspection cool down before shutting it off will increase the span... Lynchburg are you sure you want to change your dealer they intimidated by. Cover can be dangerous and is a passionate car enthusiast with a flashlight for fuel leaks this requires immediate,... Age and model of your Mercedes are primary contributors to these as as! Of bad quality / adulterated fault: how to Troubleshoot mercedes fuel injector problems Fix the.!
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