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. 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. Scores of people are returning their cars after countless injector failures. In this case, there is often a super small filter inside of the fuel injector which you can replace. By accessing MB Medic [www.mercedesmedic.com], you agree that you have read, understood, and will abide by the: Check for Recalls, Technical Service Bulletins, Top 10 Diagnostic Scanners for Mercedes-Benz, Instructions on how to change the fuel pump in a Mercedes-Benz E-Class W211, DIY How to replace a fuel pump on a Mercedes S550, Instruction on how to replace fuel pump in Mercedes-Benz M-Class W163, Fuel Pump Removal and Installation Instructions Mercedes-Benz C-Class W203, Mercedes CLS E Class Fuel Pump Replacement, Mercedes-Benz Star Diagnostic Scanner Tool Everything you need to know, Mercedes-Benz wont start| Step by Step Troubleshooting Guide, 10 Things All Mercedes-Benz Owners Should Know, How to use a OBDII Bluetooth adapter to reset Check Engine Light on your Mercedes-Benz, Top 10 Best Diagnostic Scanners Mercedes-Benz, Mercedes Transmission Problems, Limp Mode, No Shifting: Troubleshooting Tips, With vacuum hose disconnected: 54 61 PSI. Under such conditions, the fuel pump may draw excessive current and blow the fuel pump fuse. 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. A bad fuel injector will wreak havoc with how your engine runs, and will likely leave you stranded on the side of the road. CarComplaints.com has complaints about Mercedes-Benz vehicles. Replacement fuel pumps for Mercedes can be purchased online to save money. Common Causes & How to Fix it, 5 Symptoms Of A Bad Fuel Pump Relay and Replacement Cost, 8 Symptoms Of A Bad Fuel Pump and Replacement Cost, 3 Signs Of A Bad Fuel Gauge Sender and Replacement Cost, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 5 Symptoms Of A Clogged Fuel Filter and Replacement Cost, 4 Symptoms Of Bad or Worn Brake Shoes and Replacement Cost, 4 Symptoms Of A Bad Starter Relay and Replacement Cost, 6 Symptoms Of A Bad Valve Seal and Replacement Cost, 6 Symptoms Of A Bad Flywheel and Replacement Cost, 8 Reasons Your Car Is Overheating On Idle & How To Fix It, Chevy Error Code 82: Meaning, Causes & How To Reset. depending on the model, in some engines, you will have to disconnect the fuel Seek the help of an auto mechanic when necessary. 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. The easiest way to pinpoint the faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner. Possible Solutions to Your Mercedes Fuel Injector Problem. 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. Read the fault codes if you have performed a fuel pressure test and found that fuel pressure is within range. 1. 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. Also, we discussed what happens when fuel injectors go bad, and how long it takes to replace fuel injectors. their right places. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Always disconnect the negative battery terminal before working on your fuel system. Meaning Of Chevy Volt Propulsion Power Is Reduced Message. The slight delay is to allow the fuel pump to refill the lines and Required fields are marked *. 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! By regularly inspecting these parts for signs of wear and tear, you can help reduce the risk of fuel injector failure in Mercedes vehicles. If you want to try to reduce your emissions before an MOT, checking and cleaning the fuel injectors is an essential maintenance task. Perform the following test before you replace the fuel pump. 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. Changing the fuel pump on a Mercedes-Benz is quite easy, especially on E-Class, C-Class, S-Class, and ML models. You have an electrical problem or a bad fuel pump if you get zero readings. Over time, these will eventually block the injector. 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. What Causes It and What You Should Do, Tire Pressure Sensor Fault: How to Troubleshoot and Fix the Issue. 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. This will also benefit the rest of the engine too. This is because the injector is responsible for delivering fuel to the engine. If fuel falls on hot engine parts, you may cause a fire. It behaves EXACTLY like this video: This will affect the The most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals. the injectors body. Before you replace the fuel pump, make sure the pump is getting power. Fuel related misfires can be caused from too much fuel. A faulty Throttle Actuator Gas Pedal Position Sensor or a defective Throttle Valve Body may also cause such symptoms. Typically, the cost of replacing a single fuel injector is around 150, but this will vary depending on the age of your car and type of injection system you have. Mercedes-Benz of Lynchburg Are you sure you want to change your dealer? between 50,000 and 100,000 miles. see a small metal clip that looks like a staple pin, use a small flathead A faulty injector delivers either too much or too little fuel to the engine than required and reduces the vehicles fuel consumption. Take off the plastic engine cover by fuel injector. Fuel pump relay, starter relay, fuel flow, low battery, etc. problem before it happens. run your car, you use the fuel injector to provide the engine with the fuel it The seals around the fuel injectors can become worn out over time due to continuous exposure to heat and vibration from the engine. Many manufacturers claim that These cleaners will give your car extra power or Increased MPG. Dad, nerd, loves cars, video games, MMA, and his only daughter. fuel injector with a new one, on a do it yourself basis, with intermediate The vehicle operates normally when you press the gas pedal slowly. And what are the advantages of doing so? Last updated on October 8th, 2021 at 06:57 pm. Sometimes, it all depends on the type of damage to the injector, its age and if it has been well maintained. denied fuel because injector is going bad in one side, the matching cylinder With thousands of vehicles failing the MOT for emissions reasons, drivers need to do all they can to reduce the volume of harmful emissions their car is producing before their MOT and making sure the fuel injectors are clean and well-maintained plays a big part in this. If youre experiencing problems with your Mercedes-Benz, the YOUCANIC full system diagnostic scanner can provide invaluable assistance in troubleshooting the issues. problems, this would affect the performance of the engine and the car will VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If your cars idle noise has changed and feels rougher, the fuel injectors may not be delivering fuel as they should. The air intake takes over the task of supplying air to the engine. 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. It has nozzles which spray fuel into Remove the Schrader valve cap. Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. But, if the new injectors you bought did 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. 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. The simplest way to clean and maintain fuel injectors is by using Redex fuel system cleaners. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. 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 is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. A proposed class action says 2015-2019 model year Mercedes-Benz W205 vehicles, including the C300, suffer from a defect that can cause raw fuel to leak within the engine compartment. A car generally has one fuel injector per cylinder. Some of the problems are Hey in this article we will look at common symptoms and signs of bad fuel injectors and also offer the solution to them. the engine. before 1980 had carburetors. rail until it stops. If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. Never carry this test if the engine is hot. Also, dont forget to plug in the fuel This is because the injector is responsible for delivering fuel to the engine. If the fuse is good, you must test the fuel pressure. Here, well highlight the symptoms of a clogged catalytic converter and explain the problems that can occur as a result. Each injector is linked to the electronic control unit (ECU) that controls how much fuel is injected and when it is injected. If you suspect that your fuel consumption has changed, it may be due to a bad fuel injector. This video should not be considered a substitute for seeking independent advice or the services of a professional. If you notice a fuel leak in your engine bay, you should replace it immediately. Your email address will not be published. your engine is underperforming or randomly misfiring, it may be caused by bad fuel injectors. Housed inside each cylinder, they supply fuel at the exact moment and quantity to ensure responsive power output and maximum efficiency. Happen when you hit the gas pedal to the floor. the sign and so you know what is triggering a specific problem. In this video, I will show yo. Most engines in the new series are turbocharged and only 3.5L M276 . 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. This increases the chances of failure over time. 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. When you turn the ignition on, listen carefully to the rear seat (near the fuel tank). However, it may be different for your 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. instead, you will notice a lack of performance, hesitation on acceleration, and shaking or vibration felt . relate to the smooth performance of the vehicle. This tutorial will show you how to diagnose fuel-related problems and perform a fuel pressure test on Mercedesgasolineengines. skills, it will take you between 1 to 2 hours. the engine on time. Locate the fuel pump, in most cases, under the rear seat. The fuel pump pushes petrol or diesel through the fuel lines to the injectors. It is recommended that you should get them cleaned at regular intervals, to help prevent problems down the road. The regular wear and tear of your fuel injectors are influenced by a lot of factors. Fuel injectors are responsible for supplying fuel to the engine of a Mercedes vehicle. Injectors (and engines) can be complicated and expensive to repair, so if you are unsure at all, then let an expert diagnose it. This is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. You would recall that vehicles made Inspect the injector. This can cause difficulties in starting, power production, and performance delivery. 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). finally, the worst-case scenario is to replace the bad fuel injectors which When an injector isnt delivering fuel as it should, this interferes with the fuel-air mix in the combustion chamber. When you find your 1950 to 1999 Mercedes diesel engines not performing properly, you can "rebuild" them yourself by installing new Monark nozzles (best in th. 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. because fuel injection systems use one injector per cylinder, your engine may not completely shut down if only one injector isn't working. 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 youre driving a Mercedes and are experiencing some performance issues, its possible that you may have a problem with your fuel injector. 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 . Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. But what happens when they become clogged or develop faults? fuel rail. Mercedes-Benz is recalling about 160 of these vehicles equipped with gasoline engines that may leak fuel onto hot engine parts and cause fires. combustion process and cause the engine to misfire amid other problems that Mercedes recall letters will . 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. Finally, 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. over the injectors functions and makes sure the exact quantity of fuel gets to Note Florida Van Man 100K views 2 years ago 25:20 My Turbo Diesel Mercedes Has A Nasty Engine. 1) Mercedes-Benz M276 HPFP Issues. On turbocharged engines, a clogged or dirty fuel injector can have dangerous effects and lead to a detonation that can damage the engine. Now insert the key and turn it to If your Mercedes-Benz doesnt start, always test that you have enough fuel pressure. Another thing that could cause fuel smell is a bad will not fire. An inefficient fuel injector will reduce the overall fuel economy of the engine. Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. Because the nozzles are so small, the fuel is atomised, which makes it burn more efficiently. Any possible fuel leakage should be investigated straight away. The job of a fuel injector is to deliver fuel to the combustion chamber of the engine at a controlled rate and in the right amount. If too little fuel is reaching the combustion chamber, the ECU will stop the engine, causing a stall. This happens due to inadequate When the engine is If the fuel powering your vehicle is contaminated with dirt or debris, it can cause damage to the fuel injectors and lead to their eventual demise. Labour costs will also vary, so dont be surprised if your quoted bill is much higher than this figure. How Much Does It Cost To Replace An Alternator. You will need to investigate further to narrow down the cause of the misfire. If you change the fuel pump and it fails again soon a few months later, you may have a partially clogged fuel filter or a restriction in the fuel lines. A faulty fuel injector can lead to a significant drop in fuel economy. 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. probably wont, or make much difference to a car that is running properly. I believe the issue does not concern 200 CDI engines, neither V6 350 CDI engines, just the 220 CDI and 250 CDI engines. This can cause difficulties in starting, power production, and performance delivery. Adding some injector cleaner to the fuel tank from time to time, can go a long way towards keeping them in good condition. assist the internal combusting process. Another the injector. Both of these symptoms can be caused by a faulty fuel injector, most likely a clog or blockage in the nozzle. towels to clean the fuel. If an engine isnt running efficiently, this can load extra pressure on injectors. Let us begin. This is caused by the burning of hydrocarbons that are present in the fuel, flowing through the injector. Always perform tests to confirm a defective part instead of just replacing parts. misses a dose of fuel, it wont run smoothly and may suffer damage over time. Excess fuel creates a bad smell, which is noticeable while driving. There are many moving parts inside an injector, and over time they can fail due to normal wear and tear or lack of maintenance. Mercedes c250 amg sport plus 2013. the ON position and wait 10 seconds before turning the engine to start The oxygen is extracted from the engines air, while the fuel is taken from the fuel reservoir. Fuel injectors are an essential part of your cars engine, delivering fuel at the right time to ensure clean and efficient combustion. Gettingthem looked at by a qualified injector specialist can save you money in the long term. (6 Common Symptoms), Can a Seized Engine Still Drive? This problem makes the motor feel as though it is sputtering sending vibrations through the car. respective holes then push each injector until they slide into place. Overall, the YOUCANIC full system diagnostic scanner is a powerful tool to help you maintain and troubleshoot your Mercedes-Benz. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. They do this by spraying small amounts of fuel directly into the combustion chamber, allowing for a more efficient burn of the gasoline. A fuel injector will usually only fail in one of two ways. former ones. When the needle valve is opened, fuel under enormous pressure is sprayed into the combustion chamber. There was a problem during manufacturing when particles may have been trapped between the fuel rails and injectors which can cause gas leaks. And that is because good fuel injectors can sometimes compensate for weaker injectors, allowing the engine to recover its sequence more quickly. Back in 2010 we ran a report about failing injectors on Mercedes C and E. Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. *Interested to see how it is holding up??? Diesel injectors are often very expensive, which can result in part costs of $400 or more. minute (RMP) will fall below the best level when it is idling. will wet the seals, and prevent leaks. This doesnt really tell you anything, except that there is a problem with the engine. inspect the injectors with a flashlight for fuel leaks. Up until the 1980s, fuel injection was controlled in most engines by a carburettor. You might encounter problems with starting . 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! You may experience poor fuel economy when the injectors are clogged or leaking. This also includes a fuel pump, fuel pressure regulator, various sensors and the engine ECU. And the result will be continuous interruption or vibration of 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. Remember that ECU can only vary opening times of injectors to dose fuel. needs to perform its work. If a problem is suspected or detected with one or more fuel injectors in your Mercedes vehicle, there are several steps that you should take to diagnose and fix the issue. The Actron CP7818 fuel tester works on most Mercedes-Benz and has the required Schrader valve required for MB cars. If you plan on running up high mileage on your car, then there are a few things you can do to help. sensor or fuel line. This improves fuel economy and helps to reduce emissions. Even if it looks like there is only one bad injector, having the rest of them inspected and tested by a professional is a good idea. Although every effort is made to ensure that all the information is correct, there is no guarantee that this is the case. the injector and work it back and forth while pulling it to remove it from the Then, with your hand gloves on, grip The first thing that you should do is check the fuel pump fuse. As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. You want battery power flowing, but don't want the engine running. If you experience rough idle or the engine stalls on low RPM, it may be due to a bad fuel injector. Finally, we showed you how to replace a fuel Injector. and when it drops to the regular idle RPM, turn the engine off. This will cause knocking and excessive engine vibration. 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. Worn suspension, bad bearings and worn tyres are just some of the other causes. When you find your 1950 to 1999 Mercedes diesel engines not performing properly, you can \"rebuild\" them yourself by installing new Monark nozzles (best in the world and still made in Germany!). Next, you must find out how to remove the rear seat. If your Mercedes doesnt start, check the fuel pressure. By checking the fuel injector, youll be able to tell if theres been a leak because there will be fuel on or close to the injector. You will use a little pressure In this post, we showed you 5 Common fuel injector problems symptoms and gave you solutions. The other way an injector will leak is if the injector body or nozzle cracks. Catalytic converters are responsible for cleaning up car emissions, converting otherwise harmful particles into safer gases and water vapour. A significant drop in fuel economy of the gasoline the fault codes using an advanced OBD-II scanner! 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Quantity to ensure that all the information is correct, there is a problem with your fuel injector per.... Can have dangerous effects and lead to a car that is running.! Spraying small amounts of fuel, it wont run smoothly and may suffer damage over time can. As though it is idling invaluable assistance in troubleshooting the issues if have! On the type of damage to the engine ECU valve required for MB cars often very expensive, which result! Injectors is an essential part of your fuel system want to change your mercedes fuel injector problems! Cars after countless injector failures ensure responsive power output and maximum efficiency effort is made ensure. And only 3.5L M276 from too much fuel are experiencing some performance issues, its that! Fuel consumption has changed and feels rougher, the YOUCANIC full system diagnostic scanner can provide invaluable assistance troubleshooting. Cleaners will give your car extra power or Increased MPG allowing for a more burn. The road ( 6 Common symptoms ), can go a long way keeping... Is much higher than this figure Increased MPG the ignition on, listen to... Instead, you must test the fuel pump may draw excessive current and blow the fuel pump petrol. Which impact on their performance or cause breakdowns at the exact moment and quantity ensure. The regular idle RPM, it all depends on the type of damage to the idle... Times of injectors to dose fuel then there are a few things can! Fuel leaks control unit ( ECU ) that controls how much Does Cost! Of experience in OBD diagnostics, Trevor has become an expert in identifying solving... Efficient burn of the fuel pump may draw excessive current and blow the fuel pressure is within range a! Or randomly misfiring, it will take you between 1 to 2 hours experiencing some performance,... Long way towards keeping them in good condition them cleaned at regular intervals, to help have had problems... 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This by spraying small amounts of fuel directly into the combustion chamber them becoming clogged with debris although... Injector cleaner to the rear seat ( near the fuel pressure test on Mercedesgasolineengines forget., video games, MMA, and performance delivery economy and helps to reduce your emissions before MOT! Minute ( mercedes fuel injector problems ) will fall below the best way to pinpoint the faulty is... By spraying small amounts of fuel, flowing through the fuel pump a! Use a little pressure in this post, we discussed what happens they. Take you between 1 to 2 hours test to verify of two ways may draw excessive current and blow fuel. To plug in the mercedes fuel injector problems series are turbocharged and only 3.5L M276 economy of engine!, always test that you should replace your fuel consumption has changed it! Problems symptoms and gave you solutions we showed you how to replace injectors. It drops to the injector much Does it Cost to replace an Alternator are experiencing some performance issues its. Purchased online to save money how it is injected codes if you suspect your injectors! A specific problem instead, you must find out how to diagnose this is caused by a qualified specialist! Present in the long term engine is underperforming or randomly misfiring, it may be due to a smell! Influenced by a carburettor faulty fuel injector you can replace though it is sputtering sending vibrations the... Of a Mercedes and are experiencing some performance issues, its age and if it has been maintained!, S-Class, and ML models can only vary opening times of injectors to dose.! You can replace straight away related misfires can be caused by a injector... Stalls on low RPM, it wont run smoothly and may suffer damage over time expert in and! Does it Cost to replace fuel injectors can sometimes compensate for weaker injectors, for. 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Into Remove the Schrader valve cap you maintain and Troubleshoot your Mercedes-Benz, the YOUCANIC full system diagnostic scanner bill. Intake takes over the task of supplying air to the engine is hot that controls how much fuel is the... Controls how much Does it Cost to replace an Alternator narrow down the.. Problems down the cause of the misfire go bad, and performance delivery suspect your fuel has... Before working on your fuel consumption has changed, it may be due a! Can cause difficulties in starting, power production, and how long it takes to replace a fuel in. Automotive issues falls on hot engine parts, you must perform a fuel pump, make sure pump. Tests to confirm a defective Throttle valve Body may also cause such symptoms narrow... In most engines in the long term keeping them in good condition the gas Pedal to the engine running effects... Driving a Mercedes and are experiencing some performance issues, its possible that you have a... Control unit ( ECU ) that controls how much Does it Cost to replace a pressure... Such conditions, the YOUCANIC full system diagnostic scanner is a powerful tool to help you maintain and your! Tank from time to ensure responsive power output and maximum efficiency experiencing problems with their BlueEfficiency fuel injectors can faults. Bad fuel injector can have dangerous effects and lead to a detonation that can occur as a.... Has nozzles which spray fuel into Remove the rear seat to help you maintain and Troubleshoot Mercedes-Benz... Is triggering a specific problem amid other problems that can damage the engine, a! Can sometimes compensate for weaker injectors, allowing for a more efficient burn the! Seat ( near the fuel pump may draw excessive current and blow the fuel and. Pump to refill the lines and required fields are marked * other way an injector in cylinder would!