Many manufacturers claim that These cleaners will give your car extra power or Increased MPG. The simplest way to clean and maintain fuel injectors is by using Redex fuel system cleaners. Its also a good idea to regularly change the fuel filter and only use good quality fuel. Also, we discussed what happens when fuel injectors go bad, and how long it takes to replace fuel injectors. 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! Sometimes the problem can be caused by something else such as a bad ignition coil or a clogged fuel filter. What Causes It and What You Should Do, Tire Pressure Sensor Fault: How to Troubleshoot and Fix the Issue. If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. A fuel injector is an important component of the fuel injection system found in almost all modern cars. the injector and work it back and forth while pulling it to remove it from the Quick, Protecting your cars engine starts with using the right type of oil. Fuel injectors are responsible for supplying fuel to the engine of a Mercedes vehicle. The most common symptoms of a bad fuel injector are a misfiring cylinder and a check engine warning light on your dashboard. The fuel injector problems symptoms could occur when there is too much emission due to incomplete burning of fuel or irregular burning of fuel. 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. Agony did not end there. Scores of people are returning their cars after countless injector failures. 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 Certified Automotive Diagnostic Technician. could cost you between the sums of $800 to $1,500 depending on the type of Never carry this test if the engine is hot. If you open up the hood and there is a strong smell of fuel then a leaky injector could be the culprit. intake manifold, lifting the injectors with it. This is occurring because fuel is not burning properly as the Also, any delay could lead to overheating and the injector (using the sprayer end) into a small amount of engine oil. If fuel falls on hot engine parts, you may cause a fire. At idle, we got about 55 PSI with slight fluctuation (+/-2 PSI) when revving the engine. Fuel injectors are often made of plastic and can crack, which causes an external leak on the fuel injector. 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. It has nozzles which spray fuel into 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. If your cars idle noise has changed and feels rougher, the fuel injectors may not be delivering fuel as they should. If you are not mechanically minded, then your best bet is to call a mechanic. use pliers to detach the electrical connector on each injector. means the engine will not get enough fuel in it. reduce the volume of harmful emissions their car is producing before their MOT. 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. It arrives via a nozzle that is opened and closed with a needlevalve. In this guide, I will look at the basics of a fuel injector, as well as how you can make a diagnosis and take preventive measures to extend the life of the injector. Remove the Schrader valve cap. Itsalso important to regularly change the fuel filter to ensure a proper fuel flow. project. If youre experiencing problems with your Mercedes-Benz, the YOUCANIC full system diagnostic scanner can provide invaluable assistance in troubleshooting the issues. Use the. Another thing that could cause fuel smell is a bad This can be dangerous and is a common cause of engine fires. A smell of unburnt fuel from the engine bay can point to a leaky injector. The fuel injectors with the help of high pressure, create a super fine spray pattern that will make the engine run efficiently. Or, maybe theres a delay after you press the accelerator pedal? Fuel injectors are used in all modern engines, and are a vital component in the fuel management system. problem before it happens. Catalytic converters are responsible for cleaning up car emissions, converting otherwise harmful particles into safer gases and water vapour. 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. Because the injector is seated in the top of the engine cylinder, it is constantly exposed to heat and pressure. 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. learn that cleaning is the cure for most bad fuel injector problem. Many are having difficulty with customer service and others are returning their cars under the sale of goods act. How Much Does It Cost to Replace Fuel Injectors? Heres a run down of the main faulty injector symptoms that will affect most cars. The fuel pressure regulator should be checked periodically to ensure that it is operating correctly and releasing the correct amount of fuel into the engine. before 1980 had carburetors. in multi-port fuel injector vehicles. 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. will wet the seals, and prevent leaks. Tighten the Bolt of the fuel rail. fuel injector. When you examine the injector visually you will When this occurs oil will leak from 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. sources. If you see a fuel leak in the engine bay, it may be because of a bad fuel injector. 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. Both of these symptoms can be caused by a faulty fuel injector, most likely a clog or blockage in the nozzle. Your email address will not be published. HPFP failures aren't unheard of by any means. 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. Importing Cars to Australia From Japan Guide. Regardless, its important to have the problem diagnosed and repaired as soon as possible to avoid further damage to your engine. If the check engine light is on, consider yourself lucky, as it can make your diagnosis easier. If it breaks, then fuel can leak out over the engine. The less fuel reaches the engine, the lower your fuel economy. Vibration is a fuel injector problem Figure 24 New injectors will come with new O-rings. 1. If you dont have a good diagnostic scanner, read this article on Top 10 Diagnostic Scanners for Mercedes-Benz. 4 Cyl 220D 240D 190D DIY Fuel Injector Rebuild Kit. As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. However, without regular maintenance, fuel injectors can develop faults or become clogged, so you need to know how to spot the signs of a bad fuel injector how to fix it. 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. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. The vehicle operates normally when you press the gas pedal slowly. Possible Solutions to Your Mercedes Fuel Injector Problem. When the fuel injector is bad that This is usually best left to fuel injector experts. This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. 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. This can result in slow or jerky performance on the road. Engine stalling as a result of a failed injector normally occurs when the nozzles are badly blocked or when theres a fuel leak where the injector connects with the fuel lines. Make sure to refill the fuel tank when it gets too low. But do you know the difference between them, and which you should be using? This problem makes the motor feel as though it is sputtering sending vibrations through the car. For example, a fault with an injector in cylinder one would give a code of P0201. So, you may need to run more checks to confirm that it is truly the On turbocharged engines, a clogged or dirty fuel injector can have dangerous effects and lead to a detonation that can damage the engine. engine could stall. Check Engine Light One of the most obvious symptoms is that the check engine light on your dashboard is blinking. 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. Labor usually costs between $50 and 200$. Normal reference is 2.0 +0.1 Bar, which means from 2.0 to 2.1 Bar. The most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals. see update vid link above! If you notice a fuel leak in your engine bay, you should replace it immediately. Often the reason why the fuel pump isnt working is that it is not getting power due to electrical problems. 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. Replace your fuel pump's fuse in the fuse box. denied fuel because injector is going bad in one side, the matching cylinder However, Symptoms include a lack of acceleration when you press the gas pedal or a vehicle trying to stall. This causes any fuel left in the injector to evaporate, leaving behind hard deposits inside the injector. skills, it will take you between 1 to 2 hours. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. Perform the following test before you replace the fuel pump. JavaScript is disabled. Or, to browse our complete range of fuel additives, click here to visit the homepage. If needed, you can replace it with a new one as recommended by your cars manufacturer. 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. 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. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. probably wont, or make much difference to a car that is running properly. Starting at $18.00 per manifold injector . A malfunctioning fuel injector can lead to an uneven distribution of air and fuel mixture, which results in a rough idling engine. see a small metal clip that looks like a staple pin, use a small flathead Pro Tip: Before you fix the new fuel injectors, put the tip of the Fuel pump relay, starter relay, fuel flow, low battery, etc. Most engines in the new series are turbocharged and only 3.5L M276 . the injector. The Engine Misfires Dirty fuel injectors may cause your vehicle's engine to misfire. Let us begin. If your engine stalls on idle, that could also be a sign. In many cases that will solve your problems. In this post, we showed you 5 Common fuel injector problems symptoms and gave you solutions. Regarding the symptoms of injector complications on your Mercedes Benz Sprinter it is about the same as for a faulty injection pump. The reason is that the injectors are joined to The fuel injectors are located on the engines intake side, under the fuel rail, which is often located on the intake manifold. While a professional mechanic may charge This video should not be considered a substitute for seeking independent advice or the services of a professional. When the needle valve is opened, fuel under enormous pressure is sprayed into the combustion chamber. Hard Starting One of the first symptoms typically associated with a bad cold start injector is a problem starting the vehicle. Poor Engine Performance A badly performing injector will affect the running of the engine. As a result, some fuel isnt burnt off meaning more harmful emissions are sent to the exhaust system. Its also worth outlining how catalytic, 5W-30 and 5W-40 are among the most common engine oil types. Finally, Reconnect the battery to If the fuel injector is not operating properly, then other parts of the engine will be affected and over time can be damaged. What Happens When Your Catalytic Converter Goes Bad? Keep a fire extinguisher nearby in case of emergency. Another great way to keep injectors in good health is to regularly add a fuel injector cleaner to to your fuel tank. This guide is for an Engine Fuel The easiest way to diagnose this is by checking the pressure drop across the filter using a special gauge. Your Mercedes-Benz . Fuel injector cleaning and flow testing services at Injector RX are cost effective, and we guarantee results. If your Mercedes doesnt start, check the fuel pressure. This could be a result of too much air entering it due to faulty fuel injectors. The fuel injectors cost may differ a lot depending on if you have a gas or diesel engine. Another case is that the fuel injector needs some lubrication because it has been standing unused for a while, especially if you have been driving on ethanol. Take a look at our video below to learn more about how fuel injectors work. With that, read on to learn how you can go about them to prevent potential damage to your Mercedes engine. Turn the key to the second (ON) position for this test. Diesel injectors are often very expensive, which can result in part costs of $400 or more. If the fuse is good, you must test the fuel pressure. injector that is causing the vibration. Dad, nerd, loves cars, video games, MMA, and his only daughter. In this video, I will show yo. System vehicle. However, it may be different for your 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!). 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. fuel injection system. Scan the fault codes using a multi-system diagnostic scanner capable of reading fault codes from multiple control units. They will be able to diagnose the problem and recommend the best course of action. You might also notice a drop on the fuel gauge. The age and model of your Mercedes are primary contributors to these as well as your driving and maintenance habits. Some of the problems are Like any other engine part, regular maintenance is the key to keeping them going. Scores of people are returning their cars after countless injector failures. Meaning Of Chevy Volt Propulsion Power Is Reduced Message. As with misfiring, this is normally down to the injector nozzles being clogged with particles, which interfere with the atomisation and spray of the fuel. them looked at by a qualified injector specialist can save you money in the long term. This increases the chances of failure over time. Be extremely careful during this test procedure. It is recommended that you empty the tank or have it near empty when you replace the fuel pump. Replacing fuel injectors isnt common practice, and with the right servicing and upkeep, there should be no reason to have to do so. My fuel pump is not the problem; what else could it be? Florida Van Man 100K views 2 years ago 25:20 My Turbo Diesel Mercedes Has A Nasty Engine. If an engine isnt running efficiently, this can load extra pressure on injectors. Howeverthe best fuel injector cleaners are great for maintaining injectors that have been well looked after, especially in diesel engines. Whats the next step in diagnosing a problem with the engine injectors? 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. A fuel injector takes over the task of supplying fuel to the cars engine, and usually, if the car has a bad fuel injector, it can cause a lot of problems. will also benefit the rest of the engine too. deteriorate as time goes on. 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. 1. poor performance and rough running: a failing fuel injector can cause an engine to misfire. In this article, well discuss the common symptoms of a Mercedes fuel injector problem, as well as some potential solutions. Turn on the engine and inspect the filter for any leaks. This test applies to Mercedes-Benz vehicles equipped with 4-cylinder, V6, V8 and V12 gasoline engines such as M112, M113, M119, M104M272 and M273. A Mercedes fuel injector problem sure spells a lot of hassle for car owners. Its less of a problem in older cars working with simultaneous injection systems. Copyright 2023 Mechanic Base. 3. If an injector is partially blocked, then the right amount of fuel wont be getting into the engine cylinder. Up until the 1980s, fuel injection was controlled in most engines by a carburettor. When you shut off your engine, the injector will soak up the heat of the engine. Each injector is linked to the electronic control unit (ECU) that controls how much fuel is injected and when it is injected. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. Mercedes Benz Fuel Injector Problems | Facebook. You will use a little pressure There are many moving parts inside an injector, and over time they can fail due to normal wear and tear or lack of maintenance. minute (RMP) will fall below the best level when it is idling. Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. 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. Dad, nerd, loves cars, video games, MMA, and his only daughter. If you plan on running up high mileage on your car, then there are a few things you can do to help. 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. egular oil and filter changes will go a long way towards maintaining a healthy engine. Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. Can a bad fuel pump or fuel regulator trigger the check engine light? Finally, This can cause difficulties in starting, power production, and performance delivery. A failing EHA valve can cause concerning and dangerous side effects that make your Mercedes difficult, if not impossible, to driveincluding serious engine problems. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Inspect the injector. Required fields are marked *. A fuel pressure check on your Mercedes-Benz will tell you whether the fuel pressure is within range. Mercedes recall letters will be mailed February 8, 2022, and dealers will replace the fuel rails and fuel injectors. And fix the fuel line into place. The ECU (engine control unit) uses sensors to work out the right time to fire the injectors and spray fuel into the combustion chamber. 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. First off, if youre experiencing difficulty starting the engine, it could be due to a faulty fuel injector. This can cause difficulties in starting, power production, and performance delivery. 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. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. The engine will misfire if the fuel injector is dirty, clogged, or does not open properly. Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. Lettingthe engine cool down before shutting it off will increase the life span of the injectors. 0Leaking Fuel Injector Seal - Spotted early, it's an easy fix. 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! In modern common rail diesel engines, fuel pressures can be over25,000 psi. If the engine is not receiving enough fuel, it will start to vibrate as soon as it has completed a full cycle. 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. That is due to the newer Any possible fuel leakage should be investigated straight away. the injectors body. You might encounter problems with starting . He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. If you turn the ignition ON, the fuel pressure should build up before you even crank the engine. In this case, there is often a super small filter inside of the fuel injector which you can replace. supply of fuel into the engine and you will notice the cars revolution per The fuel pump pushes petrol or diesel through the fuel lines to the injectors. You may experience problems such as engine shaking, misfire codes, or even the inability to start the engine because a leaking fuel injector wont allow the fuel pump to build enough fuel pressure to start the engine. 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. I have set up a facebook group to document these failures whether it be a C or E class or any other class which is relatively new and the fuel injectors have failed. The fuel pump plays a vital role in Mercedes-Benz cars. Multi-point fuel injectors are among the most widely used types of injection systems. The engine cover can be pulled up as it is held with four tabs and no screws. The regular wear and tear of your fuel injectors are influenced by a lot of factors. You will pay about $300-$450 for parts (fuel pump) at the dealer. 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. The oxygen is extracted from the engines air, while the fuel is taken from the fuel reservoir. Fuel related misfires can be caused from bad fuel. Otherwise, it may cause an engine fire. 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. 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. Lets take a look at the different types of systems, how they work and their benefits below. 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. You have an electrical problem or a bad fuel pump if you get zero readings. It supplies the engine with fuel to Take away the fuel rail from the 1) Mercedes-Benz M276 HPFP Issues. If the engine has covered a lot of mileage, chances are the other injectors are dirty and may fail soon too. Mercedes-Benz is recalling about 160 of these vehicles equipped with gasoline engines that may leak fuel onto hot engine parts and cause fires. If its not working properly, then the engine wont receive enough fuel and will have trouble starting. This can lead to decreased performance and reduced fuel economy. engine so check the Manufacturers manual to confirm. assist the internal combusting process. This is caused by the burning of hydrocarbons that are present in the fuel, flowing through the injector. Sometimes a slipping or damaged clutch will cause a vibration due to the crankshaft and clutch plate not engaging fully. 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.

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