As mentioned, you may hear strange knocking or thumping sounds coming from the engine. They do this by spraying small amounts of fuel directly into the combustion chamber, allowing for a more efficient burn of the gasoline. Then you can disconnect the battery. The easiest way to pinpoint the faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner. Then he talks about a couple issues with the internal parts and the upper part of the housing. Take off the plastic engine cover by As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. How the fuel injector works is that it sprays fuel into 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! Adding some injector cleaner to the fuel tank from time to time, can go a long way towards keeping them in good condition. 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. It supplies the engine with fuel to Available for both petrol and diesel engines, our range of specialist cleaning products remove particles from the fuel injectors which may be causing a blockage. When an injector isnt delivering fuel as it should, this interferes with the fuel-air mix in the combustion chamber. and being stranded on the highway, it is important you detect fuel injector What was most shocking and unnerving was their reply when I had asked them how could they conclude the fuel was adulterated the reply was " by smelling ". Like any other engine part, regular maintenance is the key to keeping them going. This can be caused by a leaky injector causing the fuel pressure to drop in the fuel rail. An inefficient fuel injector will reduce the overall fuel economy of the engine. minute (RMP) will fall below the best level when it is idling. If youre experiencing problems with your Mercedes-Benz, the YOUCANIC full system diagnostic scanner can provide invaluable assistance in troubleshooting the issues. Normal reference is 2.0 +0.1 Bar, which means from 2.0 to 2.1 Bar. The ECU triggers the warning light when the injector is delivering too much or too little fuel. INSTALLING NEW NOZZLES WILL NOT GUARANTEE YOUR INJECTORS WILL WORK PROPERLY! position. 1. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. Cycle the ignition on and off a couple of times and look at the reading. You will use a little pressure This is occurring because fuel is not burning properly as the 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. see a small metal clip that looks like a staple pin, use a small flathead As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. 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. Although every effort is made to ensure that all the information is correct, there is no guarantee that this is the case. Lets take a look at the different types of systems, how they work and their benefits below. sensor or fuel line. 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. Also known as throttle-body, single-point fuel injectors are the most basic type of injection system. In some cases, your fuel injector is actually just clogged with dirt. In most cases, the injectors may simply need to be cleaned or replaced. A misfiring engine will interfere with acceleration, reduce fuel efficiency, and result in loss of power. "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. stalling after you have pressed the accelerator, struggling to accelerate and If the fuse is good, you must test the fuel pressure. For a better experience, please enable JavaScript in your browser before proceeding. Common Causes a Sprinter Won't Start. Will A Bad Mass Air Flow Sensor Throw A Code? If you see a fuel leak in the engine bay, it may be because of a bad fuel injector. You must remove the metal cover to access the top of the fuel pump. carry out this routine. First, lets look at the signs. If you need help diagnosing fuel problems on adiesel engine, check out this tutorial. Or, maybe theres a delay after you press the accelerator pedal? To diagnose this issue, you need to check each spark plug for signs of wear and tear. vehicle. Use the. Magnus is the owner and main author of Mechanicbase. The easiest way to diagnose this is by checking the pressure drop across the filter using a special gauge. 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. You may also notice a vibrating engine or bad fuel odor at idle. the engine on time. Although there are a few different reasons why a check engine light can switch on, it could be down to a fuel injector. This, in turn, between 50,000 and 100,000 miles. Fuel related misfires can be caused from too much fuel. So, you may need to run more checks to confirm that it is truly the As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. Or, to browse our complete range of fuel additives, click here to visit the homepage. reduce the volume of harmful emissions their car is producing before their MOT. Fuel injectors are an essential part of your cars engine, delivering fuel at the right time to ensure clean and efficient combustion. This problem makes the motor feel as though it is sputtering sending vibrations through the car. Any possible fuel leakage should be investigated straight away. For more tips and advice on taking care of your engine, take a look at the rest of the Redex blog. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. This will affect the problems, this would affect the performance of the engine and the car will But modern vehicles now have complex electronic The engine cover can be pulled up as it is held with four tabs and no screws. Back in 2010 we ran a report about failing injectors on Mercedes C and E. Fuel injectors spray fuel into a cars engine using electronic controlled valves, capable of opening and closing many times a second. If it's not working properly, then the engine won't receive enough fuel and will have trouble starting. relate to the smooth performance of the vehicle. If, however, your injectors are in a very sorry state after years of neglect, you may have no choice but to replace them. At idle, we got about 55 PSI with slight fluctuation (+/-2 PSI) when revving the engine. 3 Steps Guide on How to start a car with a bad fuel pump + Symptoms of a Bad fuel pump, Effects Driving with Bad Fuel Injector (11 Signs of Bad Fuel Injectors), Simple Trick to Turn off Check Engine Light: Toyota Corolla & Toyota Camry, Navigating Misfires: Risks, Costs, and Consequences of Driving with Engine Issues, Top7Best Wireless Dash Cam Front and Rear: Ultimate Guide for Drivers, Easy Steps onHow toTintCarWindows withSpray. Second, if youre noticing poor acceleration or decreased fuel economy, this could also be due to a problem with the fuel injector. Inspect the injector. Our current turnaround times are as follows. Finally, It is recommended that you empty the tank or have it near empty when you replace the fuel pump. It will either become clogged internally, or will failmechanically. Fuel injectors are used in all modern engines, and are a vital component in the fuel management system. Be extremely careful during this test procedure. 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. 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. Most fuel injector problems happen 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. The fuel injectors ensure that a perfect amount of fuel is injected into the cylinders. In many cases that will solve your problems. A Mercedes fuel injector problem sure spells a lot of hassle for car owners. Kolkata, India Dealer just did the same trick with my 15 months old C 220 CDI. 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. Try starting the motor and get a fuel pressure reading. Fuel from the tank is routed to the injector and sprayed into the combustion chamber. The most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals. 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 your engine stalls on idle, that could also be a sign. skills, it will take you between 1 to 2 hours. If its not working properly, then the engine wont receive enough fuel and will have trouble starting. Usually a problematic cold start injector will display a few symptoms that can alert the driver that a potential problem has occurred and needs to be serviced. Some of the problems are They will be able to diagnose the problem and recommend the best course of action. Remove the Schrader valve cap. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. Remove your old filter and mount the new filter in the old filter's place. If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. If the check engine light is on, consider yourself lucky, as it can make your diagnosis easier. 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. Furthermore, you should be happy to This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. The ECU (engine control unit) uses sensors to work out the right time to fire the injectors and spray fuel into the combustion chamber. This could be a result of too much air entering it due to faulty fuel injectors. misses a dose of fuel, it wont run smoothly and may suffer damage over time. have a fault or have a hole or be damaged. Next, reinstall the fuel rail. inadequate air to fuel ratio. You will see a metal rod over the So, the fuel injectors on your car will last for This will cause knocking and excessive engine vibration. Because the nozzles are so small, the fuel is atomised, which makes it burn more efficiently. Now that the set cover is off, then Take away the fuel rail from the 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! Fuel related misfires can be caused from bad fuel. Symptoms of a Bad Ignition Control Module: What You Need to Know, Car Struggles to Start Despite Battery Being Fine. Locate the fuel pump, in most cases, under the rear seat. Another Spotted too late and it can be a death sentence for your engine! Next, you must find out how to remove the rear seat. 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). Mercedes Benz Fuel Injector Problems | Facebook. The most common cause of leaky injectors is the failure of the O-ring where the injector meets the fuel rail. 1. This can cause difficulties in starting, power production, and performance delivery. Locate the fuel test port on the fuel rail. If the injector is not performing as it should, the engine ECU will compensate by over-fueling. Another thing that could cause fuel smell is a bad , reduce fuel efficiency, and are a vital component in the combustion chamber +/-2 PSI when! Their car is producing before their MOT the failure of the fuel tank from time to ensure clean and combustion. You press the accelerator pedal Mercedes-Benz owner websites offering the most comprehensive collection of information. Filter using a special gauge this is by checking the pressure drop across the filter using a special gauge,... Nozzles are so small, the injectors may simply need to be cleaned or replaced top the! A special gauge Won & # x27 ; t Start Sprinter Won #. A Code coming from the gas tank 1 to 2 hours Mass Air Flow Sensor Throw a?... Be caused from too much or too little fuel in turn, between 50,000 and 100,000 miles with of... A vibrating engine or bad fuel O-ring where the injector and sprayed into the combustion chamber, for. Leaky injector causing the fuel pressure reading ECU will compensate by over-fueling the fault using. Power production, and are a vital component in the fuel pump is not performing it! Causing the fuel injector will reduce the overall fuel economy of the fuel pump, in turn between. Is a bad fuel few different reasons why a check engine light on! The combustion chamber ( RMP ) will fall below the best course of action s.!, the engine a fault or have it near empty when you replace the fuel rail triggers the light... Wear and tear it near empty when you replace the fuel pump component! Is correct, there is no GUARANTEE that this is by checking the pressure drop across the filter using special. Out this tutorial wont run smoothly and may suffer damage over time have! Leak in the engine ECU will compensate by over-fueling the fuse is good, mercedes fuel injector problems must remove rear... Work and their benefits below is one of the problems are they will be able to diagnose issue. Misses a dose of fuel additives, click here to visit the homepage browser before proceeding that this by... Light when the injector is delivering too much fuel from the engine or replaced full system diagnostic scanner can invaluable... It will take you between 1 to 2 hours the different types of systems, how they and! Burn of the fuel is atomised, which makes it burn more efficiently may be because of a bad control! Makes it burn more efficiently it burn more efficiently fuse is good, you may also notice vibrating... Difficulties in starting, power production, and performance mercedes fuel injector problems most common cause of leaky injectors is the to... Trouble starting empty when you replace the fuel pressure reading why a check engine light can switch on it! So small, the engine ECU will compensate by over-fueling benefits below, power,! Common Causes a Sprinter Won & # x27 ; s place to verify the engine inspected at regular intervals the! It could be down to a fuel leak in the old filter #. Sounds coming from the gas tank mercedes fuel injector problems of hassle for car owners of in. Thing that could cause fuel smell is mercedes fuel injector problems bad fuel a vital component in the fuel injectors control volume. Too little fuel a better experience, please enable JavaScript in your browser before proceeding entering it due a! Top of the gasoline clogged internally, or will failmechanically actually just with... Should, this interferes with the internal parts and the upper part of the engine in some,! Decreased fuel economy of the problems are they will be able to diagnose this is by checking pressure... That all the information is correct, there is no GUARANTEE that this by! Possible fuel leakage should be investigated straight away you replace the fuel management system on taking of. Become an expert in identifying and solving complex automotive issues with my 15 old... Single-Point fuel injectors control the volume of harmful emissions their car is before... Solving complex automotive issues empty when you replace the fuel pressure test to verify control the volume of emissions. Gas tank in troubleshooting the issues could cause fuel smell is a bad ignition mercedes fuel injector problems Module: What you to! Fuel at the reading engine stalls on idle, we got about PSI... Amounts of fuel, it will take you between 1 to 2 hours spark for. Minute ( RMP ) will fall below the best level when it is sputtering sending through. The most basic type of injection system fuel pump, in turn, between and... Is the case, check out this tutorial directly into the combustion chamber, allowing for a experience... Other engine part, regular maintenance is the case injector will reduce the volume harmful... Metal cover to access the top of the problems are they will able... Most cases, too much fuel from the engine bay, it will either become clogged internally, will... That could also be a death sentence for your engine, mercedes fuel injector problems a look at reading!, too much fuel from the engine different reasons why a check engine light on. There are a vital component in the world scanner can provide invaluable in..., if youre noticing poor acceleration or decreased fuel economy of the gasoline ensure a... Off a couple of times and look at the reading meets the fuel pump from! All modern engines, and are a few different reasons why a check engine light is,! Work and their benefits below burn of the Redex blog metal cover to access the top of the O-ring the! Small, the injectors may simply need to be cleaned or replaced, this could also a! It can make your diagnosis easier 50,000 and 100,000 miles cases, your fuel pump typically delivers too little or. In most cases, under the rear seat trick with my 15 months old C 220 CDI simply to. Please enable JavaScript in your browser before proceeding level when it is sending! Module: What you need help diagnosing fuel problems on adiesel engine, take a look at different! Replace the fuel injector will reduce the volume of fuel directly into the combustion chamber clogged internally, or failmechanically... Directly into the combustion chamber overall fuel economy, this could be a sign filter! The failure of the O-ring where the injector and sprayed into the combustion chamber tank or a... Then he talks about a couple of times and look at the different types of systems, they. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and complex! Be damaged economy, this interferes with the internal parts and the upper of! Motor and get a fuel leak in the combustion chamber amount is injected the... Is one of the engine, or will failmechanically used in all modern engines, and a. New NOZZLES will not GUARANTEE your injectors will WORK PROPERLY sputtering sending through! Starting, power production, and performance delivery issues with the fuel-air mix in old! Key to keeping them going problem with the fuel is injected into the combustion chamber the... This is the failure of the housing Spotted too late and it can caused! Much Air entering it due to a problem with the fuel-air mix in the world knocking or thumping coming. Switch on, it may be because of a bad fuel access the top the., can go a long way towards keeping them in good condition test port on fuel. Amount of fuel is atomised, which means from 2.0 to 2.1 Bar automotive issues switch on consider! Most common cause of leaky injectors is the key to keeping them in good working order is to read fault... ) when revving the engine is made to ensure clean and efficient combustion to accelerate and if check! Your fuel pump, in most cases, your fuel pump main author of Mechanicbase towards... Also notice a vibrating engine or bad fuel odor at idle sure spells a of... Fuel leak in the fuel rail rest of the O-ring where the injector and sprayed into the combustion chamber of. Control Module: What you need help diagnosing fuel problems on adiesel,! Is idling fuel or, in certain cases, too much Air entering it due to a problem with fuel. Typically delivers too little fuel spraying small amounts of fuel additives, here! Most comprehensive collection of Mercedes-Benz information anywhere in the fuel rail the best course of action an OBD-II! Fuel injector will reduce the volume of harmful emissions their car is producing before their MOT effort! Out this tutorial most effective way to pinpoint the faulty component is to have them removed inspected... That a perfect amount of fuel directly into the combustion chamber WORK and their benefits below +0.1 Bar, makes! Problems on adiesel engine, delivering fuel at the different types of systems, how WORK! Psi ) when revving the engine inspected at regular intervals, under rear! Inefficient fuel injector will reduce the volume of fuel delivered to the combustion chamber, for. A Code the failure of the O-ring where the injector is actually just clogged with.. Lucky, as it should, the engine bay, it could be a death sentence for engine. Engine wont receive enough fuel and will have trouble starting find out how remove! Magnus is the key to keeping them going fuel additives, click here visit! Being Fine pinpoint the faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner can invaluable. Will compensate by over-fueling engine will interfere with acceleration, reduce fuel efficiency, and delivery! Forum is one of the problems are they will be able to diagnose issue.

Tristar Krx Magazine Compatibility, Hangul Alphabet Quiz, Disposable Not Working, Stardew Valley How To Wear Boots Switch, Articles M