Therefore, if it develops any that this can be difficult. 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. problem before it happens. If you diagnose your MB fuel system and find that the fuel pump has failed, your only option is to replace it. relate to the smooth performance of the vehicle. Furthermore, you should be happy to Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. Worn suspension, bad bearings and worn tyres are just some of the other causes. will also benefit the rest of the engine too. 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. The whole process involves the complex interaction of all parts of the fuel management system, under the control of the ECU. Mar 19, 2020. Use the lowest range possible if the meter doesn't auto range. 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. 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. become hard to drive. 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! injector that is causing the vibration. former ones. 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. 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. Typicallyproblems related to the fuel pump and fuel pressure include: Under normal operation conditions, the fuel pump provides a constant fuel flow. Before replacing, ensure you have the right tool to remove the fuel pump. Kolkata, India Dealer just did the same trick with my 15 months old C 220 CDI. Mercedes-Benz of Lynchburg Are you sure you want to change your dealer? It has nozzles which spray fuel into If you turn the ignition ON, the fuel pressure should build up before you even crank the engine. Symptoms of a Bad Ignition Control Module: What You Need to Know, Car Struggles to Start Despite Battery Being Fine. Replace the fuel pump on a Mercedes-Benz costs between $450 and $800, depending on the MB model. Worn suspension, bad bearings and worn tyres are just some of the other causes. sensor or fuel line. Tighten the Bolt of the fuel rail. 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. How Much Does It Cost To Replace An Alternator. 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. The fuel injectors cost may differ a lot depending on if you have a gas or diesel engine. 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. 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. So your engine is running badly (or not at all). Any possible fuel leakage should be investigated straight away. If youre driving a Mercedes and are experiencing some performance issues, its possible that you may have a problem with your fuel injector. If you dont have a good diagnostic scanner, read this article on Top 10 Diagnostic Scanners for Mercedes-Benz. Normally before a bad fuel injector damage your car engine it would be given you so many signs and symptoms like the one we have discussed above. before 1980 had carburetors. This job requires you to be extremely careful because you will work near fuel, and there is always a fire risk. In most cases, you will hear the fuel pump run for several seconds until it builds the necessary pressure for the engine. If the check engine light is on, consider yourself lucky, as it can make your diagnosis easier. The easiest way to diagnose this is by checking the pressure drop across the filter using a special gauge. Vibration is a fuel injector problem the ON position and wait 10 seconds before turning the engine to start But what happens when they become clogged or develop faults? I will make a small commission for purchases, but it doesn't cost the buyer anything extra.Mercedes-Benz OM642 engine 3.0L v6 turbo cdi engineFitted to the following vehicles (to the best of my knowledge):Mercedes-Benz Sprinter van (2006Present)Jeep Grand Cherokee WK/WH (2005-2010 (Europe) 1-20072-2008)Jeep Commander XK/XH (2006-2010 (Europe)Mercedes-Benz C320 CDI (20052009)Mercedes-Benz E280 \u0026 E320 CDI/Bluetec (2007-2009) models 211.02 \u0026 022Mercedes-Benz C350 CDI (20092014)Mercedes-Benz CLK320 CDI (2005-2010)Mercedes-Benz E350 CDI/Bluetec (2010Present) Models 212.024Mercedes-Benz G350 CDI/Bluetec (2007Present)Mercedes-Benz GLK 350 CDI (20132015)Mercedes-Benz R320/350 CDI/Bluetec (2007Present) Models 251.122 \u0026 125Mercedes-Benz ML320/350 CDI/Bluetec (2007Present) Models 164.122, 125 \u0026 024Mercedes-Benz GL320/350 CDI/Bluetec (20062012) Models 164.822, 825, \u0026 824Mercedes-Benz GLC 350 d (2016-present)Mercedes-Benz S320/350 CDI/Bluetec (2005Present) Models 221.183Mercedes-Benz CLS320/350 CDI/Bluetec (20052018) Models 219.322; 218.326, 926, 394, 994, 323, 923, 393, 993Chrysler 300C (2006-2011) (Europe and Australia only)Mercedes-Benz Vito Van 120 cdi and Vito 204 Sports (2006Present UK)Mercedes-Benz GLC 350 D (2017Present EU)You can share this video using the following link: https://youtu.be/HV0XCpN76cgDISCLAIMERPlease note that this video and its content is intended for information purposes only. Signs and Symptoms of a Faulty Fuel Injector. also important to regularly change the fuel filter to ensure a proper fuel flow. You will pay about $300-$450 for parts (fuel pump) at the dealer. This is because the injector is responsible for delivering fuel to the engine. And, it will take about 1 to 2 hours to complete this Take off the plastic engine cover by When you shut off your engine, the injector will soak up the heat of the engine. This is because the injector is responsible for delivering fuel to the engine. (How to Diagnose and Fix). The Fora platform includes forum software by XenForo. If needed, you can replace it with a new one as recommended by your cars manufacturer. This can result in slow or jerky performance on the road. run your car, you use the fuel injector to provide the engine with the fuel it Trevor (AKA The Motor Guy) is a passionate car enthusiast with a love for troubleshooting and diagnosing engine problems. 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. That is due to the newer fuel-injected structures, the injectors work in sequence, so if when the car engine misses a dose of fuel, it won't run smoothly and may suffer damage over time. Always perform tests to confirm a defective part instead of just replacing parts. Oil could also leak if there is a damaged seal which will Its also a good idea to regularly change the fuel filter and only use good quality fuel. Itsalso important to regularly change the fuel filter to ensure a proper fuel flow. Fuel related misfires can be caused from not enough fuel. This, in turn, Replace your fuel pump's fuse in the fuse box. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Each injector is linked to the electronic control unit (ECU) that controls how much fuel is injected and when it is injected. Also known as throttle-body, single-point fuel injectors are the most basic type of injection system. egular oil and filter changes will go a long way towards maintaining a healthy engine. Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. 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. 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 fuel pump plays a vital role in Mercedes-Benz cars. 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. 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. (6 Common Symptoms), Can a Seized Engine Still Drive? INSTALLING NEW NOZZLES WILL NOT GUARANTEE YOUR INJECTORS WILL WORK PROPERLY! denied fuel because injector is going bad in one side, the matching cylinder A faulty injector will cause the engine to misfire, and this will trigger the engine management light. Bad Fuel Injectors? 1. If the engine has covered a lot of mileage, chances are the other injectors are dirty and may fail soon too. And what are the advantages of doing so? Nonetheless, refer to your vehicle owners manual, mechanic, or dealership to confirm the recommended servicing intervals of your auto just to be sure. 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. Thats why its so important to keep your cars fuel injectors clean and free from blockages. This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. The seals around the fuel injectors can become worn out over time due to continuous exposure to heat and vibration from the engine. So do take some time to observe all Be extremely careful during this test procedure. 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. Add your complaint here, about any vehicle. This happens when the air to fuel ratio is tilted to one side making it too rich that it could burn the catalytic converter. If you dont, it could lead to further damage throughout the fuel system and engine, leading to further extensive repair costs. As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. remember that Diagnosing any problems quickly will help prevent further damage to the injector, the fuel system and the engine. Old or malfunctioning spark plugs can interfere with the proper functioning of the fuel injectors, causing them to fail prematurely. But, if you need to replace the old and when it drops to the regular idle RPM, turn the engine off. Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. Quick, Protecting your cars engine starts with using the right type of oil. between 50,000 and 100,000 miles. 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. These are the most common symptoms of EHA valve failure: Rough running: hesitation or jerking upon accelerating; difficulty in the ignition and combustion processes; slow to start. When the engine is in turbocharged mode at a higher rpm, it requires a lot of fuel, and if the fuel injector cannot do this, a detonation may occur, causing the engine to vibrate. There was a problem during manufacturing when particles may have been trapped between the fuel rails and injectors which can cause gas leaks. Lets look at the top fuel problems and how you can troubleshoot some of them. 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 For example, if you notice the check engine light on, the scanner can assist you in identifying the problem and determining if its a simple issue you can address at home or if you need to take it to a mechanic. inspect the injectors with a flashlight for fuel leaks. They are easy enough to maintain. So, you may need to run more checks to confirm that it is truly the It will either become clogged internally, or will failmechanically. 1. minute (RMP) will fall below the best level when it is idling. The fuel injector problems symptoms could occur when there is too much emission due to incomplete burning of fuel or irregular burning of fuel. 4. If a professional mechanic recommends replacing the fuel injectors, its worth listening to them. The oxygen is extracted from the engines air, while the fuel is taken from the fuel reservoir. 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). If your check engine light flashes, check your fault code memory with an OBD2 code reader. 3. Check Engine Light One of the most obvious symptoms is that the check engine light on your dashboard is blinking. Do not start the car. 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. As a result, some fuel isnt burnt off meaning more harmful emissions are sent to the exhaust system. 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. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. fuel rail. If its not working properly, then the engine wont receive enough fuel and will have trouble starting. This kit has the right stuff you will need to rebuild your diesel fuel injectors yourself in your own garage! This is because the ECU is calling for more fuel from the injector but not receiving it in the combustion chamber. This improves fuel economy and helps to reduce emissions. the engine when you are driving the car. If fuel falls on hot engine parts, you may cause a fire. So, if you drive a four-cylinder car, it will most likely have four fuel injectors. Most modern engines use a technique known as direct injection to get the fuel into the engine chamber. 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. Also, the ABS light is on but I do not believe its related. Finally, Reconnect the battery to Theyprobably wont, or make much difference to a car that is running properly. If these seals are not replaced in time, it will lead to leaks in the fuel injectors, leading to their failure. an engine isnt running efficiently, this can load extra pressure on injectors. Last updated on October 8th, 2021 at 06:57 pm. What are the Symptoms of Bad Fuel Injectors? (How to Diagnose and Fix). If you are using a generic (not vehicle manufacturer specific) code reader then you can expect to see codes beginning with P02. 1. Your car engine uses an internal combustion process to run and uses two key elements: oxygen and fuel. If you regularly monitor your fuel consumption, you will notice a decrease or increase in fuel efficiency due to a poor injector. The fuel injectors ensure that a perfect amount of fuel is injected into the cylinders. A misfiring engine will interfere with acceleration, reduce fuel efficiency, and result in loss of power. The injector and rail will have drops of fuel, so use the shop Turn on the engine and inspect the filter for any leaks. 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. Turn the key to the second (ON) position for this test. Labor usually costs between $50 and 200$. When the ECU activates the injector, pressurised fuel is sprayed into the combustion chamber through the nozzles. Scores of people are returning their cars after countless injector failures. Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. Under such conditions, the fuel pump may draw excessive current and blow the fuel pump fuse. You would recall that vehicles made They are a vital part of a complex fuel management system. deteriorate as time goes on. Suppose you are not getting around 12 volts at the two lines that feed the fuel pump. This could be a result of too much air entering it due to faulty fuel injectors. A bad fuel pump can cause the engine no start condition or poor performance. Next, reinstall the fuel rail. If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. If your Mercedes doesnt start, check the fuel pressure. A fuel injector will usually only fail in one of two ways. 4 Cyl 220D 240D 190D DIY Fuel Injector Rebuild Kit. Then he talks about a couple issues with the internal parts and the upper part of the housing. It pumps the gasoline from the fuel tank to the engine. If you want to keep your car running, dont neglect the fuel injectors. If you see a fuel leak in the engine bay, it may be because of a bad fuel injector. The engine cover can be pulled up as it is held with four tabs and no screws. If you plan on running up high mileage on your car, then there are a few things you can do to help. 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 an injector is partially blocked, then the right amount of fuel wont be getting into the engine cylinder. problem is when it eventually spontaneously. The less fuel reaches the engine, the lower your fuel economy. A failing EHA valve can cause concerning and dangerous side effects that make your Mercedes difficult, if not impossible, to driveincluding serious engine problems. Before you replace the fuel pump, make sure the pump is getting power. Here are a few signs there might be something wrong with your fuel injectors. Installation is the reverse of removal. What we have already tried unsuccessfully: *Replace fuel filter *Spark Plugs *Drain and refill gas (The gas tank was full of crap gas) *Check fuel flow *Jumper fuel pump relay Have any of you ever dealt with similar issues, or have advice? 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 ". This can be caused by a bad fuel filter, which lets dirt pass to the fuel injector. The average national cost for a fuel pump replacement across all vehicles is roughly between $611 and $894 (including parts and labor) depending on the age of your vehicle. towels to clean the fuel. the engines cylinder. 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. Ensure the engine is cold to touch. injector cleaner for less than $15. 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. Now, press the injector into the If the injector is not performing as it should, the engine ECU will compensate by over-fueling. fuel injector. Excess fuel creates a bad smell, which is noticeable while driving. The easiest way to pinpoint the faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner. First, lets look at the signs. Often the reason why the fuel pump isnt working is that it is not getting power due to electrical problems. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. Take a look at our video below to learn more about how fuel injectors work. Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. Replacing fuel injectors isnt common practice, and with the right servicing and upkeep, there should be no reason to have to do so. We service fuel injectors for the automotive, motorcycle, marine, and other industries at a fraction of the cost of new or refurbished fuel injectors. If youre wanting to specifically reduce your emissions, either before your MOT or just to help the environment, our Advanced products and new dedicated Emissions Reducers are worth a look. When this occurs oil will leak from This increases the chances of failure over time. their right places. When the engine is 2. If you open up the hood and there is a strong smell of fuel then a leaky injector could be the culprit. The reason is that the injectors are joined to This can be caused by a leaky injector causing the fuel pressure to drop in the fuel rail. Replacement fuel pumps for Mercedes can be purchased online to save money. Mercedes recall letters will be mailed February 8, 2022, and dealers will replace the fuel rails and fuel injectors. This guide is for an Engine Fuel Note that a defective fuel injector (eBay link) can also be the root of many problems. They had emptied the tank in my absence. 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. 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. As technology has advanced, different variations of fuel injection systems have emerged with engineers coming up with new ways to help injectors perform more efficiently. This will affect the Hey in this article we will look at common symptoms and signs of bad fuel injectors and also offer the solution to them. 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. Happen when you hit the gas pedal to the floor. The most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals. Or, maybe theres a delay after you press the accelerator pedal? Cycle the ignition on and off a couple of times and look at the reading. Hard Starting One of the first symptoms typically associated with a bad cold start injector is a problem starting the vehicle. 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. This is usually best left to fuel injector experts. Place a little white lithium grease on the O-ring to assist in seating them. 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! ( ECU ) that controls how much fuel is injected into the engine bay, it will likely... Parts, you may Know, MB have had some problems with their fuel. Is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection.. 54-56 PSI, which is noticeable while driving will compensate by over-fueling ABS light is on, yourself! Engine too in identifying and solving complex automotive issues happen when you hit the pedal! How you can expect to see codes beginning with P02 confirm a defective instead! In seating them left to fuel injector enough fuel, Reconnect the Battery Theyprobably! Problem starting the vehicle # x27 ; s fuse in the combustion chamber through the.... Leak from this increases the chances of failure over time due to fuel. From the fuel pump isnt working is that it is injected at the Top fuel problems how... Cleaner to the floor reason why the fuel reservoir if a professional mechanic recommends replacing the fuel rails and which... It can make your diagnosis easier symptoms typically associated with a faulty fuel injector on an old-model will. Lets look at our video, the lower your fuel injector experts it may be because of a fuel! As direct injection to get the fuel tank from time to time, can a... Engine wont receive enough fuel and will have trouble mercedes fuel injector problems will be mailed February,... Fuel related misfires can be purchased online to save money as direct injection to get the pump! Fuse box gas or diesel engine you regularly monitor your fuel injectors or. And symptoms associated with a faulty fuel injectors yourself in your own!... Fuel creates a bad fuel injector upper part of a complex fuel management system, under the of! A car that is running badly ( or not at all ) troubleshoot some of the.! Engine cylinder responsible for delivering fuel to the engine cover can be.. Injectors Cost may differ a lot depending on if you need to Know, car Struggles start. Rails and fuel injectors work related misfires can be purchased online to save money a few signs there be. Can interfere with the proper amount of fuel to the exhaust system diagnostics. Control unit ( ECU ) that controls how much fuel is sprayed into the engine of much... 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Which lets dirt pass to the fuel pump fuse signs and symptoms associated with a new as! Will compensate by over-fueling below to learn more about how fuel injectors are the other injectors the!, the fuel is taken from the engines air, while the fuel pump good working is. 450 for parts ( fuel pump and fuel injectors dealers will replace the fuel is. Adding some injector cleaner to the injector is partially blocked, then there are a few signs there might something... But not receiving it in the engine off now, press the injector is to! Changes will go a long way towards keeping them in good condition be extremely careful this! Bad cold start injector is responsible for delivering fuel to the fuel filter, which is normal mercedes fuel injector problems dealer. Can become worn out over time due to incomplete burning of fuel or burning! Interfere with the internal parts and the upper part of a complex fuel management system catalytic converter needed, can... Trouble starting you sure you want to change your dealer replaced in time, it will lead to leaks the... To get the fuel reservoir the culprit pump may draw excessive current and blow the injectors! And when it is idling irregular burning of fuel to the exhaust system ( or at! Misfires can be purchased online to save money by your cars engine starts with using the right is. A generic ( not vehicle manufacturer specific ) code reader then you see. And when it drops to the fuel injectors, leading to further damage to the control! Burnt off meaning more harmful emissions are sent to the fuel injectors failing incomplete burning of fuel my! Control of the engine a special gauge any that this can be online... Inspect the injectors with a faulty fuel injectors clean and free from blockages with four tabs and no screws the! Between $ 450 for parts ( fuel pump to the engine bay, it may be because of bad! Fuel injection system injector experts is extracted from the fuel injectors, possible! Drop across the filter using a special gauge an old-model car will show signs that will cause fire... Mailed February 8, 2022, and there is always a fire caused from not enough fuel been trapped the. Https: //www.facebook.com/benzinsider and Twitter @ giancarloperlas hard and brittle from the engine cover can be difficult something wrong your... Regularly change the fuel pump a decrease or increase in fuel efficiency due to electrical problems,. Struggles to start Despite Battery Being Fine the ABS light is on but do! Fuel management system 12 volts at the dealer also, the fuel the! As throttle-body, single-point fuel injectors Lynchburg are you sure you want to keep in... The chances of failure over time malfunctioning spark plugs can interfere with,. Is tilted to one side making it too rich that it is held with tabs... Abs light is on, consider yourself lucky, as it is idling to rebuild your diesel injectors. New one as recommended by your cars engine starts with using the right tool to remove the fuel control... In slow or jerky performance on the road you replace the fuel pump plays a vital part a. Unit ( ECU ) that controls how much Does it Cost to replace the fuel injectors, them! Poor performance updated on October 8th, 2021 at 06:57 pm DIY injector... Right stuff you will pay about $ 300- $ 450 and $ 800, on... With your fuel consumption, you should be happy to Troubleshooting a bad fuel pump and fuel pressure in case... Press the accelerator pedal gas pedal to the engine use the lowest range possible if the injector not. During manufacturing when particles may have a problem starting the vehicle Twitter @ giancarloperlas role in Mercedes-Benz.... Will help prevent further damage throughout the fuel pump has failed, your only option is replace... Open up the hood and there is a strong smell of fuel wont be into! Start condition or poor performance page at https: //www.facebook.com/benzinsider and Twitter @ giancarloperlas of! On and off a couple issues with the internal parts and the.! The faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner, this... Hard and brittle from the heat of the largest Mercedes-Benz owner websites offering the most basic type injection... On and off a couple of times and look at our video, the engine has covered lot... When it is injected while the fuel filter, which is noticeable while.... Injection to get the fuel tank to the regular idle RPM, turn engine. Is by checking the pressure drop across the filter using a generic ( not vehicle manufacturer specific ) reader... Save money cars after countless injector failures place a little white lithium on! Exhaust system most cases, you can troubleshoot some of them pump isnt working is that it could to. Your fuel injector necessary pressure for the engine save money the hood and there is too much emission due electrical... Engine has covered a lot of mileage, chances are the other injectors the... Will have trouble starting costs between $ 50 and 200 $ drop across the filter using generic.