Take This can often be accompanied by a shaking sensation while the car is at standstill or stopped. 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. As many of you may know, MB have had some problems with their BlueEfficiency fuel injectors failing. If an engine misfires because of a bad injector, there will be an error code that will point to the injector in question. Required fields are marked *. Here are a few signs there might be something wrong with your fuel injectors. 2. Back in 2010 we ran a report about failing injectors on Mercedes C and E. 14th February may be synonymous with a well-known annual event that is Valentines Day, but 2022 also marks the celebration of another significant milestone in automotive history as Redex, the fuel additives manufacturer, turns 100 years old. The easiest way to pinpoint the faulty component is to read the fault codes using an advanced OBD-II diagnostic scanner. Although every effort is made to ensure that all the information is correct, there is no guarantee that this is the case. *Interested to see how it is holding up??? You may experience poor fuel economy when the injectors are clogged or leaking. depending on the model, in some engines, you will have to disconnect the fuel The 82-page suit, filed in Georgia federal court, claims Mercedes-Benz USA, LLC and Daimler AG have had "longstanding knowledge" of the fuel leakage defect yet . Watch the video for more details. Some of the problems are and being stranded on the highway, it is important you detect fuel injector Pro Tip: Following this step normally depressurizes the fuel system If you notice a fuel leak in your engine bay, you should replace it immediately. screwdriver to remove or depress the clip. 1. If you want to keep your car running, dont neglect the fuel injectors. That is due to the newer This is because the injector is responsible for delivering fuel to the engine. Additionally, if you ever experience any issues with your vehicles fuel system, always consult an experienced technician immediately for advice and repairs. Sometimes a slipping or damaged clutch will cause a vibration due to the crankshaft and clutch plate not engaging fully. sensor or fuel line. 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. By checking the fuel injector, youll be able to tell if theres been a leak because there will be fuel on or close to the injector. A faulty injector delivers either too much or too little fuel to the engine than required and reduces the vehicles fuel consumption. Here, we take a look at some of the common signs and symptoms associated with a faulty fuel injector. care not to bend the fuel rail so dont use too much force. injector that is causing the vibration. If it breaks, then fuel can leak out over the engine. And, it will take about 1 to 2 hours to complete this carry out this routine. Never carry this test if the engine is hot. Many are having difficulty with customer service and others are returning their cars under the sale of goods act. 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. For example, a fault with an injector in cylinder one would give a code of P0201. Take off the plastic engine cover by 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. 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. Dad, nerd, loves cars, video games, MMA, and his only daughter. will not fire. Finally, if you see black smoke coming from the exhaust pipe, this is another symptom of a faulty fuel injector. 3. Also, the vehicles Engine Control Unit (ECU) watches The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. causes the car to do convulsive or rough idling. The first thing that you should do is check the fuel pump fuse. You must remove the metal cover to access the top of the fuel pump. The Engine Misfires Dirty fuel injectors may cause your vehicle's engine to misfire. If you plan on running up high mileage on your car, then there are a few things you can do to help. This will also benefit the rest of the engine too. The oxygen is extracted from the engines air, while the fuel is taken from the fuel reservoir. between 50,000 and 100,000 miles. 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. run your car, you use the fuel injector to provide the engine with the fuel it 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. Disconnect the fuel lines from the filter. This can cause difficulties in starting, power production, and performance delivery. 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. A fuel injector usually costs between $50 and $300. Links to where you can buy a Mercedes fuel pump are provided below. You will see a metal rod over the This kit has the right stuff you will need to rebuild your diesel fuel injectors yourself in your own garage! Now that the set cover is off, then deteriorate as time goes on. (How to Diagnose and Fix). Make sure to refill the fuel tank when it gets too low. The air intake takes over the task of supplying air to the engine. Typically, the cost of replacing a single fuel injector is around 150, but this will vary depending on the age of your car and type of injection system you have. 2020 Mercedes-Benz SL550. because fuel injection systems use one injector per cylinder, your engine may not completely shut down if only one injector isn't working. Meaning Of Chevy Volt Propulsion Power Is Reduced Message. 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. Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. Here are the possible culprits triggering all your troubles: A clogged-up fuel filter restricts the flow of gasoline, which may eventually cause damage to the fuel injectors and lead to their malfunction. Mar 19, 2020. Furthermore, you should be happy to combustion process and cause the engine to misfire amid other problems that Tighten the Bolt of the fuel rail. Certified Automotive Diagnostic Technician. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. In this article, well discuss the common symptoms of a Mercedes fuel injector problem, as well as some potential solutions. towels to clean the fuel. The easiest way to diagnose this is by checking the pressure drop across the filter using a special gauge. 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. Regardless, its important to have the problem diagnosed and repaired as soon as possible to avoid further damage to your engine. Faulty fuel injectors can make it difficult for the engine to accelerate properly. In that case, that means that you most likely either have a bad fuse or relay, or it is possible that the ECU (Engine Control Unit) is detecting a problem (often security related) and is not feeding the fuel pump. Figure 24 New injectors will come with new O-rings. 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. I quickly pulled over and turned the engine off. 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 . They had emptied the tank in my absence. Vibration is a fuel injector problem When the fuel injector is bad that The injector and rail will have drops of fuel, so use the shop A fuel injector is an important component of the fuel injection system found in almost all modern cars. the rail, and the sprayer tips are a tight fit in the intake manifold. It pumps the gasoline from the fuel tank to the engine. 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 a professional mechanic recommends replacing the fuel injectors, its worth listening to them. Over time, these will eventually block the injector. You will use a little pressure Another loosen the bolts and brackets holding the fuel rail in place. 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. A fuel injector will usually only fail in one of two ways. This can be dangerous and is a common cause of engine fires. Step 2: Set up DVOM to measure DC voltage. before 1980 had carburetors. their right places. You may also notice a vibrating engine or bad fuel odor at idle. If the fuel injector is not operating properly, then other parts of the engine will be affected and over time can be damaged. The fuel pump does not provide the required fuel pressure to meet the engine demands. 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. The slight delay is to allow the fuel pump to refill the lines and Trevor (AKA The Motor Guy) is a passionate car enthusiast with a love for troubleshooting and diagnosing engine problems. become hard to drive. Common Causes & How to Fix it, 5 Symptoms Of A Bad Fuel Pump Relay and Replacement Cost, 8 Symptoms Of A Bad Fuel Pump and Replacement Cost, 3 Signs Of A Bad Fuel Gauge Sender and Replacement Cost, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 5 Symptoms Of A Clogged Fuel Filter and Replacement Cost, 4 Symptoms Of Bad or Worn Brake Shoes and Replacement Cost, 4 Symptoms Of A Bad Starter Relay and Replacement Cost, 6 Symptoms Of A Bad Valve Seal and Replacement Cost, 6 Symptoms Of A Bad Flywheel and Replacement Cost, 8 Reasons Your Car Is Overheating On Idle & How To Fix It, Chevy Error Code 82: Meaning, Causes & How To Reset. Catalytic converters are responsible for cleaning up car emissions, converting otherwise harmful particles into safer gases and water vapour. 1. Another great way to keep injectors in good health is to regularly add a fuel injector cleaner to to your fuel tank. and when it drops to the regular idle RPM, turn the engine off. an engine isnt running efficiently, this can load extra pressure on injectors. And, if you If the fuse is good, you must test the fuel pressure. You might encounter problems with starting . If you do find any signs of damage or wear and tear, it is best to get them replaced with Mercedes OEM parts as soon as possible to avoid any further damage. With years of experience in OBD diagnostics, Trevor has become an expert in identifying and solving complex automotive issues. Turn the key to position II and look at the reading. 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. Typically problems related to the fuel pump and fuel pressure include: loss of power acceleration problems engine sputtering at high speed engine not starting engine stalling problems starting the car Most of these problems occur due to Perform the following test before you replace the fuel pump. Whats the next step in diagnosing a problem with the engine injectors? When you shut off your engine, the injector will soak up the heat of the engine. 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. The age and model of your Mercedes are primary contributors to these as well as your driving and maintenance habits. Installation is the reverse of removal. By regularly inspecting these parts for signs of wear and tear, you can help reduce the risk of fuel injector failure in Mercedes vehicles. see update vid link above! Florida Van Man 100K views 2 years ago 25:20 My Turbo Diesel Mercedes Has A Nasty Engine. Theyre more accurate and precise than single-point injectors, and make it much easier to achieve the correct fuel-air ratio in the engine. You will need to have the car ECU scanned for error codes to be absolutely sure that its an injector problem. 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. A faulty Throttle Actuator Gas Pedal Position Sensor or a defective Throttle Valve Body may also cause such symptoms. Your car engine uses an internal combustion process to run and uses two key elements: oxygen and fuel. Changing dealers can impact the following items in your cart: Choose a Dealer Mercedes-Benz of Lynchburg Finally, If you are reinstalling any of the old injectors, always replace both the O-ring for the fuel rail (red arrow) and manifold (yellow arrow). 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. Up until the 1980s, fuel injection was controlled in most engines by a carburettor. They do not cost that much and you can read the fault code memory at home. In many cases that will solve your problems. 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. 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. There are many moving parts inside an injector, and over time they can fail due to normal wear and tear or lack of maintenance. 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. Most engines in the new series are turbocharged and only 3.5L M276 . If your Mercedes doesnt start, check the fuel pressure. Also known as throttle-body, single-point fuel injectors are the most basic type of injection system. 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. Cycle the ignition on and off a couple of times and look at the reading. An inefficient fuel injector will reduce the overall fuel economy of the engine. the ON position and wait 10 seconds before turning the engine to start 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). The most common sign of a bad fuel injector is the check engine warning light, which appears on the dashboard. the sign and so you know what is triggering a specific problem. Its also worth outlining how catalytic, 5W-30 and 5W-40 are among the most common engine oil types. Driving a car hard combined with short start stop journeys will increase the wear and tear on injectors. It is the fuel that is sprayed into injector you will perceive fuel odor due either to the leak in the seal or in he most effective way to keep injectors in good working order is to have them removed and inspected at regular intervals.
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