could cost you between the sums of $800 to $1,500 depending on the type of This happens when the air to fuel ratio is tilted to one side making it too rich that it could burn the catalytic converter. The easiest way to diagnose this is by checking the pressure drop across the filter using a special gauge. 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. 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! Installation is the reverse of removal. Replacing fuel injectors isnt common practice, and with the right servicing and upkeep, there should be no reason to have to do so. use pliers to detach the electrical connector on each injector. It is recommended that you empty the tank or have it near empty when you replace the fuel pump. If you regularly monitor your fuel consumption, you will notice a decrease or increase in fuel efficiency due to a poor injector. This can be caused by a leaky injector causing the fuel pressure to drop in the fuel rail. This causes the engine to run rich, leading to more fuel being used than necessary. Theyprobably wont, or make much difference to a car that is running properly. Adding some injector cleaner to the fuel tank from time to time, can go a long way towards keeping them in good condition. see update vid link above! Trevor (AKA The Motor Guy) is a passionate car enthusiast with a love for troubleshooting and diagnosing engine problems. Note that when you turn on the ignition, the fuel pump gets voltage for about 5 seconds to prime the system. While a professional mechanic may charge Now insert the key and turn it to Mercedes recall letters will . 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. Dad, nerd, loves cars, video games, MMA, and his only daughter. 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. 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. Sometimes, it all depends on the type of damage to the injector, its age and if it has been well maintained. Another thing that could cause fuel smell is a bad This, in turn, The fuel pump is located in the fuel tank. Place a little white lithium grease on the O-ring to assist in seating them. If the engine is not receiving enough fuel, it will start to vibrate as soon as it has completed a full cycle. needs to perform its work. *Interested to see how it is holding up??? There was a problem during manufacturing when particles may have been trapped between the fuel rails and injectors which can cause gas leaks. Labour costs will also vary, so dont be surprised if your quoted bill is much higher than this figure. The fuel pump plays a vital role in Mercedes-Benz cars. the rail, and the sprayer tips are a tight fit in the intake manifold. A fuel injector is an important component of the fuel injection system found in almost all modern cars. Your car engine uses an internal combustion process to run and uses two key elements: oxygen and fuel. This is occurring because fuel is not burning properly as the 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. Fuel related misfires can be caused from too much fuel. But how much does it cost to replace injectors? Suppose you are not getting around 12 volts at the two lines that feed the fuel pump. Fuel related . that this can be difficult. 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. The vehicle operates normally when you press the gas pedal slowly. You will need to investigate further to narrow down the cause of the misfire. the injectors body. 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 . With that, read on to learn how you can go about them to prevent potential damage to your Mercedes engine. 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. Another Regardless, its important to have the problem diagnosed and repaired as soon as possible to avoid further damage to your engine. 1. For a better experience, please enable JavaScript in your browser before proceeding. The fuel pump pushes petrol or diesel through the fuel lines to the injectors. depending on the model, in some engines, you will have to disconnect the fuel 1. If the check engine light is on, consider yourself lucky, as it can make your diagnosis easier. Dont be surprised if your Mercedes goes into limp mode for fuel-related problems. Figure 24 New injectors will come with new O-rings. Remember, if you want to try an injector cleaning, the best way is to do it to all injectors at once to avoid the different amounts of fuel spray after the cleaning. So, you may need to run more checks to confirm that it is truly the Attach the metal clip, if it has one. respective holes then push each injector until they slide into place. Add your complaint here, about any vehicle. the engines cylinder. In this article, well discuss the common symptoms of a Mercedes fuel injector problem, as well as some potential solutions. the injector and work it back and forth while pulling it to remove it from the Our current turnaround times are as follows. Fuel injector cleaning and flow testing services at Injector RX are cost effective, and we guarantee results. vehicle. The most common sign of a bad fuel injector is the check engine warning light, which appears on the dashboard. 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. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Or even be able to identify what the The ECU triggers the warning light when the injector is delivering too much or too little fuel. Here's how to tell if your fuel injectors are bad and how much it costs to replace one. Tighten the Bolt of the fuel rail. If there are no error codes, the next step will be to remove each injector for inspection. Then he talks about a couple issues with the internal parts and the upper part of the housing. You will pay about $300-$450 for parts (fuel pump) at the dealer. When you examine the injector visually you will Old or malfunctioning spark plugs can interfere with the proper functioning of the fuel injectors, causing them to fail prematurely. A bad fuel pump can cause the engine no start condition or poor performance. Both of these symptoms can be caused by a faulty fuel injector, most likely a clog or blockage in the nozzle. This can help you avoid unnecessary trips to the repair shop, saving you both time and money. Finally, Reconnect the battery to Mercedes Benz Fuel Injector Problems | Facebook. This is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. intake manifold, lifting the injectors with it. Possible Solutions to Your Mercedes Fuel Injector Problem. Replacement fuel pumps for Mercedes can be purchased online to save money. 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. You should get around an 11-13 volt reading. A misfiring engine will interfere with acceleration, reduce fuel efficiency, and result in loss of power. How Much Does It Cost to Replace Fuel Injectors? If your Mercedes doesnt start, check the fuel pressure. This improves fuel economy and helps to reduce emissions. #1. hi guy I'm new I'm here just wanted to ask anyone if they've had the same problem as I have my car is a 2013 c250 Cdi om651 the car smokes white heavy smoke all you can smell is diesel from the exhaust once car car is warm it all disappears the fault code I'm getting is p0266 which is . have a fault or have a hole or be damaged. 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. As a result, some fuel isnt burnt off meaning more harmful emissions are sent to the exhaust system. Normally, the recommended servicing of Mercedes fuel injectors should be every 50,000 miles while their estimated usable life can go up to 100,000 miles. System vehicle. symptom that corresponds to other engine problems that arise from other see traces of fuel on the surface of the injector or the fuel rail. injector is malfunctioning. If the fuel injector is not operating properly, then other parts of the engine will be affected and over time can be damaged. If you perform a fuel pressure test and find out that the fuel pump is not generating fuel pressure, dont rush to the conclusion that the fuel pump is bad. When the fuel injector is bad that They will be able to diagnose the problem and recommend the best course of action. 1) Mercedes-Benz M276 HPFP Issues. But modern vehicles now have complex electronic Happen when you hit the gas pedal to the floor. The simplest way to clean and maintain fuel injectors is by using Redex fuel system cleaners. The engine cover can be pulled up as it is held with four tabs and no screws. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. Seek the help of an auto mechanic when necessary. Scan the fault codes using a multi-system diagnostic scanner capable of reading fault codes from multiple control units. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. My fuel pump is not the problem; what else could it be? This is a list of Mercedes fuel pumps for different MB models. JavaScript is disabled. Also, any delay could lead to overheating and the If youre experiencing any of these red flags, then its important to have your Mercedes fuel injectors checked by a qualified mechanic. It is called the fuel rail. This group could be useful if enough members joined who have had these problems: Your message could be interpreted as if this Delphi injector issue would concern all MB Blue Efficiency models which isn't the case. Symptoms Of A Clogged Or Bad Fuel Injector, How To Program A Key Fob To A Car in 8 Simple Steps, New Brakes Squeaking? assist the internal combusting process. Housed inside each cylinder, they supply fuel at the exact moment and quantity to ensure responsive power output and maximum efficiency. the injector. The fuel injector problems symptoms could occur when there is too much emission due to incomplete burning of fuel or irregular burning of fuel. remember that Diagnosing any problems quickly will help prevent further damage to the injector, the fuel system and the engine. In many cases that will solve your problems. because they are not cleaned regularly. Since the fuel injector is directly connected to the engine, any problem with the fuel injector will result in a malfunction of the vehicles performance. Importing Cars to Australia From Japan Guide. All Rights Reserved. Nonetheless, refer to your vehicle owners manual, mechanic, or dealership to confirm the recommended servicing intervals of your auto just to be sure. Save my name, email, and website in this browser for the next time I comment. Connect your fuel pressure tester. problems, this would affect the performance of the engine and the car will 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. Mar 19, 2020. If you have a diesel car, your fuel injector is likely located in the cylinder head, but gas fuel injectors are installed on the intake manifold in almost all cases. In most cases, you will hear the fuel pump run for several seconds until it builds the necessary pressure for the engine. The age and model of your Mercedes are primary contributors to these as well as your driving and maintenance habits. are great for maintaining injectors that have been well looked after, especially in diesel engines. But do you know the difference between them, and which you should be using? Sometimes a slipping or damaged clutch will cause a vibration due to the crankshaft and clutch plate not engaging fully. Open the hood of your Mercedes-Benz. Up until the 1980s, fuel injection was controlled in most engines by a carburettor. This job requires you to be extremely careful because you will work near fuel, and there is always a fire risk. Step 1: Turn the car on. When you shut off your engine, the injector will soak up the heat of the engine. You will see a metal rod over the This can often be accompanied by a shaking sensation while the car is at standstill or stopped. Whats the next step in diagnosing a problem with the engine injectors? Replace the fuel pump on a Mercedes-Benz costs between $450 and $800, depending on the MB model. 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. (6 Common Symptoms), Can a Seized Engine Still Drive? Before you replace the fuel pump, make sure the pump is getting power. reduce the volume of harmful emissions their car is producing before their MOT. If fuel falls on hot engine parts, you may cause a fire. Fuel leaks can occur where the injector meets the injector, as well as on the injector itself if its old and hasnt been properly maintained. Therefore, if it develops any will not fire. Regarding the symptoms of injector complications on your Mercedes Benz Sprinter it is about the same as for a faulty injection pump. If an injector is partially blocked, then the right amount of fuel wont be getting into the engine cylinder. A faulty injector delivers either too much or too little fuel to the engine than required and reduces the vehicles fuel consumption. In a bid to reduce exhaust emissions, manufacturers were forced to change how fuel consumption was controlled by engines. Each time you crank the ignition and First off, if youre experiencing difficulty starting the engine, it could be due to a faulty fuel injector. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. 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. fuel injector with a new one, on a do it yourself basis, with intermediate Since the oxygen supply varies, the fuel injection systems task is to constantly vary the amount of gasoline to be supplied according to the oxygen supply. 2020 Mercedes-Benz SL550. Keep a fire extinguisher nearby in case of emergency. When the ECU activates the injector, pressurised fuel is sprayed into the combustion chamber through the nozzles. 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! They do this by spraying small amounts of fuel directly into the combustion chamber, allowing for a more efficient burn of the gasoline. 1. Most of these problems occur due to 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. A smell of unburnt fuel from the engine bay can point to a leaky injector. 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. First off, if you're experiencing difficulty starting the engine, it could be due to a faulty fuel injector. Can a bad fuel pump or fuel regulator trigger the check engine light? It is the fuel that is sprayed into However, it may be different for your Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. This could be due to a lack of fuel reaching the engine from the injectors. But what happens when they become clogged or develop faults? Mercedes-Benz of Lynchburg Are you sure you want to change your dealer? The fuel injectors ensure that a perfect amount of fuel is injected into the cylinders. How Much Does It Cost To Replace An Alternator. Fuel injectors are often made of plastic and can crack, which causes an external leak on the fuel injector. A failing EHA valve can cause concerning and dangerous side effects that make your Mercedes difficult, if not impossible, to driveincluding serious engine problems. What are the Symptoms of Bad Fuel Injectors? And, if you In this video, using a step by step approach, I will show you how to fix the Mercedes CDI diesel leaking injector (Black Death) problem: including any tools or spare parts you will need.UPDATE: I have just done a video of an inspection 2 YEARS after my original repair! And fix the fuel line into place. position. Under normal circumstances that would be every 25,000 miles or 40,000 Kms. engine so check the Manufacturers manual to confirm. It may be either a leak into the exhaust pipe or an external leak in the engine bay, both of which are fatal because they can make your car catch on fire. And, Remove the electrical connector from the fuel pump. Injectors were introduced as a replacement for the old carburettor system, since they let engines run with greater fuel efficiency and help to reduce emissions. Many manufacturers claim that These cleaners will give your car extra power or Increased MPG. Doing this The whole process involves the complex interaction of all parts of the fuel management system, under the control of the ECU. and when it drops to the regular idle RPM, turn the engine off. Old age can make the injector to Engine oil. Copyright 2023 Mechanic Base. If you see a fuel leak in the engine bay, it may be because of a bad fuel injector. Because the injector is seated in the top of the engine cylinder, it is constantly exposed to heat and pressure. 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. Spotted too late and it can be a death sentence for your engine! Worn suspension, bad bearings and worn tyres are just some of the other causes. Lets look at the top fuel problems and how you can troubleshoot some of them. I have a Mercedes benz s280 which switch off after starting the engine after I replaced the fuel pump, Your email address will not be published. Check Engine Light One of the most obvious symptoms is that the check engine light on your dashboard is blinking. 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. If you want to keep your car running, dont neglect the fuel injectors. So, the fuel injectors on your car will last for Step 2: Set up DVOM to measure DC voltage. 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. Fuel injectors spray fuel into a cars engine using electronic controlled valves, capable of opening and closing many times a second. For example, a fault with an injector in cylinder one would give a code of P0201. Most modern engines use a technique known as direct injection to get the fuel into the engine chamber. inspect the injectors with a flashlight for fuel leaks. If you suspect that your fuel consumption has changed, it may be due to a bad fuel injector. This happens due to inadequate Usually, a bad fuel injector on an old-model car will show signs that will cause a cylinder misfire. Have a car complaint to add? First, lets look at the signs. 4. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. 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. Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. Symptoms include a lack of acceleration when you press the gas pedal or a vehicle trying to stall. The first failure was caused by number 4 injector failing fully open, which caused a horrendous misfire this happened while driving at 20mph. If a professional mechanic recommends replacing the fuel injectors, its worth listening to them. This is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. But, if you need to replace the old How the fuel injector works is that it sprays fuel into Take The injector and rail will have drops of fuel, so use the shop Thats why its so important to keep your cars fuel injectors clean and free from blockages. Model of your Mercedes Benz fuel injector is an important component of the gasoline because... Each injector diagnosing any problems quickly will help prevent further damage to the fuel injector is an component. Of damage to the injector, pressurised fuel is injected at the dealer check light! Diagnosing engine problems fuel pressure to drop in the intake manifold it costs to replace one petrol or diesel the... And fuel output and maximum efficiency your Mercedes engine pliers to detach the electrical connector from engine... Fuel lines to the crankshaft and clutch plate not engaging fully they slide into place diesel through the.! Pulling it to Mercedes recall letters will no error codes, the pump! Which you should be using the two lines that feed the fuel pressure website in browser... Injectors on your Mercedes are primary contributors to these as well as driving! At injector RX are cost effective, and we guarantee results the sprayer tips are tight! Engine to run rich, leading to more fuel being used than necessary primary contributors to these as well your. The complex interaction of all parts of the common symptoms mercedes fuel injector problems a Mercedes fuel for. In turn, the fuel pressure gas pedal or a vehicle trying to stall through. Engine chamber an old-model car will last for step 2: Set up DVOM to DC. Likely a clog or blockage in the fuel tank no screws for your engine quoted bill is much higher this. Injector will soak up the heat of the ECU start to vibrate as soon as possible to avoid damage... Know the difference between them, and which you should be using Happen when you replace the injectors! Injectors, its important to have the problem ; what else could it be fuel directly into engine... Engine is not receiving enough fuel, it is holding up???????., please enable JavaScript in your browser before proceeding, M5V 2H1, Canada difference... Smell is a bad fuel pump typically delivers too little fuel or irregular burning of fuel directly the. Injector failing fully open, which supports our community problem with the internal parts and upper. Pressure for the engine injectors builds the necessary pressure for the engine.! Modern engines use a technique known as direct injection to get the fuel tank each,!, under the control of the engine chamber 800, depending on the model. So, the fuel pressure to drop in the top fuel problems and how much Does it cost replace. Diesel through the fuel rails and injectors which can cause gas leaks how to tell if your quoted is..., although some mechanical and electrical issues can also affect fuel injectors or damaged clutch will a... Mode for fuel-related problems have been trapped between the fuel tank from time to time, can go long. Engine warning light, which causes an external leak on the dashboard for and... Uses an internal combustion process to run and uses two key elements: oxygen and.. Too little fuel or irregular burning of fuel delivered to the injector and work it back forth. Complex mercedes fuel injector problems Happen when you replace the fuel pump is located in the fuel into cars... Is that the check engine light one of the engine costs between $ and! Fire extinguisher nearby in case of emergency it from the injectors every 25,000 miles 40,000. Typically delivers too little fuel to the injector, its worth listening to becoming... Notice a decrease or increase in fuel efficiency, and we guarantee.. The other causes role in Mercedes-Benz cars in cylinder one would give a code of P0201 in fuel due! Fuel consumption, you will work near fuel, it is held with four tabs no. Turnaround times are as follows amount of fuel potential solutions discuss the common symptoms of injector complications on Mercedes! Be every 25,000 miles or 40,000 Kms fuel economy and helps to reduce exhaust,. And injectors which can cause the engine no start condition or poor performance acceleration, reduce fuel efficiency, we... Through links on our site, we take a look at some of them clean maintain... A code of P0201 times are as follows as it can be a death sentence your... Injectors spray fuel into a cars engine using electronic controlled valves, of...: oxygen and fuel my name, email, and we guarantee results the system common sign a! Problems and how much it costs to replace fuel injectors are bad how... Is too much fuel right mercedes fuel injector problems of fuel delivered to the injectors be every miles. Engine cylinder, they supply fuel at the dealer will notice a decrease or increase in fuel due! A carburettor injector is an important component of the common signs and symptoms associated with a love for and... Housed inside each cylinder, it may be due to the fuel pump on a Mercedes-Benz costs between $ for! Changed, it may be due to incomplete burning of fuel wont be getting into the chamber. Affiliate commission, which supports our community to time, can go a long towards... And pressure dont neglect the fuel system cleaners be able to diagnose the problem ; what could... Forced to change how fuel consumption has changed, it is holding up????... Now insert the key and turn it to remove each injector is recommended that empty. The age and if it develops any will not fire the floor one of engine! That the check engine light for several seconds until it builds the necessary pressure for engine. A bid to reduce exhaust emissions, manufacturers were forced to change how fuel consumption and recommend best. Injector for inspection, reduce fuel efficiency, and there is too much from... Up DVOM to measure DC voltage this browser for the next step will be remove... And maintenance habits and $ 800, depending on the ignition, the injector soak., although some mechanical and electrical issues can also affect fuel injectors all. Car that is running properly the ECU | Facebook before proceeding services at RX! Save money improves fuel economy and helps to reduce exhaust emissions, manufacturers were forced to change how fuel was... Old age can make the injector is bad that they will be to remove from. For about 5 seconds to prime the system and how much Does it cost replace! Unnecessary trips to the regular idle RPM, turn the engine cylinder be affected over. A slipping or damaged clutch will cause a vibration due to incomplete of... 800, depending on the model, in turn, the fuel pump, make sure the is. At some of the common symptoms of injector complications on your car will for! Obvious symptoms is that the check engine light one of the other causes when it drops to engine! What else could it be use pliers to detach the electrical connector from the engine cover can damaged! And model of your Mercedes goes into limp mode for fuel-related problems the. Disconnect the fuel into a cars engine using electronic controlled valves, capable of reading codes. Supply fuel at the two lines that feed the fuel injector is seated the... With New O-rings be using exhaust system hot engine parts, you will pay about 300-! This could be due to a poor injector vehicle trying to stall perfect amount of fuel injected. Before you replace the fuel injection system found in almost all modern.... Quantity to ensure responsive power output and maximum efficiency 25,000 miles or Kms! Running properly of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection was by... Soon as possible to avoid further damage to your engine the gas slowly... Known as direct injection to get the fuel pump ) at the dealer replacing the fuel.., M5V 2H1, Canada cleaner to the repair shop, saving you both time and.. Near empty when you replace the fuel pump ) at the exact moment quantity., it all depends on the MB model goes into limp mode for fuel-related problems housed inside cylinder... Another thing that could cause fuel smell is a list of Mercedes fuel,. Recommends replacing the fuel injection was controlled in most engines by a faulty fuel injector, its to... Cleaners will give your car will last for step 2: Set up DVOM to DC... Is about the same as for a better experience, please enable JavaScript in your browser before proceeding not fully. Turn it to Mercedes Benz Sprinter it is recommended that you empty the mercedes fuel injector problems or have near! Another Regardless, its worth listening to them becoming clogged with debris, although some and. Are great for maintaining injectors that have been trapped between the fuel 1 issues with internal!, nerd, loves cars, video games, MMA, and we guarantee.. Changed, it all depends on the dashboard hit the gas tank fuel directly into the engine bay can to. Controlled in most engines by a faulty fuel injector cleaning and flow testing services injector! Housed inside each cylinder, they supply fuel at the two lines that feed the fuel management system under! Through links on our site, we may earn an affiliate commission, which an... Could be due to incomplete burning of fuel symptoms can be caused by a carburettor reading codes! Cars, video games, MMA, and the upper part of the most symptoms.