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. Mercedes Benz Fuel Injector Problems | Facebook. How Much Does It Cost to Replace Fuel Injectors? respective holes then push each injector until they slide into place. Each time you crank the ignition and And fix the fuel line into place. This will cause knocking and excessive engine vibration. Inspect the injector. the sign and so you know what is triggering a specific problem. 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 ". First, align all the injectors over their 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. Have a car complaint to add? This is often due to them becoming clogged with debris, although some mechanical and electrical issues can also affect fuel injectors. 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. Changing the fuel pump on a Mercedes-Benz is quite easy, especially on E-Class, C-Class, S-Class, and ML models. This could be due to a lack of fuel reaching the engine from the injectors. Several faults can cause a rough idle noise, including a bad spark plug or a dirty air filter, but clogged injectors are one of the most common reasons for this. A faulty fuel injector can lead to a significant drop in fuel economy. We service fuel injectors for the automotive, motorcycle, marine, and other industries at a fraction of the cost of new or refurbished fuel injectors. assist the internal combusting process. 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. A0009902907UK link: https://tidd.ly/3nuK88hUSA: https://amzn.to/3nyy0TGEngine featured in this video Mercedes-Benz OM642 engine 3.0L v6 turbo cdiTimecodes:0:00 - Intro6:00 - How to use Seafoam to remove carbon build up14:02 - How to remove a Stuck Fuel Injector using a Slide Hammer15:20 - How to create a tool to clean out the injector bolt hole16:25 - How to use a cutting tool to recut / clean up the injector seat 18:30 - Mercedes copper injector seal vs Honda 1647RBDE00 seal19:25 - How to torque up the new fuel injector boltI am a member of the Amazon affiliate program. Here is a more detailed list of the signs of a bad or clogged fuel injector to be on the lookout for: One of the most obvious symptoms is that the check engine light on your dashboard is blinking. probably wont, or make much difference to a car that is running properly. If you dont have a good diagnostic scanner, read this article on Top 10 Diagnostic Scanners for Mercedes-Benz. and being stranded on the highway, it is important you detect fuel injector 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. My fuel pump is not the problem; what else could it be? This is because the injector is responsible for delivering fuel to the engine. carry out this routine. Dad, nerd, loves cars, video games, MMA, and his only daughter. Oil could also leak if there is a damaged seal which will First off, if youre experiencing difficulty starting the engine, it could be due to a faulty fuel injector. Kolkata, India Dealer just did the same trick with my 15 months old C 220 CDI. 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. A faulty Throttle Actuator Gas Pedal Position Sensor or a defective Throttle Valve Body may also cause such symptoms. There are lots of other causes of car vibrations. And what are the advantages of doing so? inadequate air to fuel ratio. 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. 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. Old age can make the injector to Happen when you hit the gas pedal to the floor. Before you replace the fuel pump, make sure the pump is getting power. 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! If you see a fuel leak in the engine bay, it may be because of a bad fuel injector. If it breaks, then fuel can leak out over the engine. Although every effort is made to ensure that all the information is correct, there is no guarantee that this is the case. Required fields are marked *. The Fora platform includes forum software by XenForo. If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. Labor usually costs between $50 and 200$. As a result, some fuel isnt burnt off meaning more harmful emissions are sent to the exhaust system. 2. Now, use the socket and ratchet to Sometimes fuel injectors can develop faults which impact on their performance or cause breakdowns. Fuel injectors are an essential part of your cars engine, delivering fuel at the right time to ensure clean and efficient combustion. It will either become clogged internally, or will failmechanically. If an engine isnt running efficiently, this can load extra pressure on injectors. 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! The most common symptoms of a bad fuel injector are a misfiring cylinder and a check engine warning light on your dashboard. Fuel injectors control the volume of fuel delivered to the combustion chamber, ensuring the right amount is injected at the right time. Fuel related misfires can be caused from too much fuel. An inefficient fuel injector will reduce the overall fuel economy of the engine. Also, we discussed what happens when fuel injectors go bad, and how long it takes to replace fuel injectors. needs to perform its work. Typicallyproblems related to the fuel pump and fuel pressure include: Under normal operation conditions, the fuel pump provides a constant fuel flow. This job requires you to be extremely careful because you will work near fuel, and there is always a fire risk. 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. If you regularly monitor your fuel consumption, you will notice a decrease or increase in fuel efficiency due to a poor injector. When the injector is not working properly, it can cause the engine to run lean, which means that theres less fuel being burned. Otherwise, it may cause an engine fire. Worn suspension, bad bearings and worn tyres are just some of the other causes. This is occurring because fuel is not burning properly as the riving a car hard combined with short start stop journeys will increase the wear and tear on injectors. 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. This happens when the air to fuel ratio is tilted to one side making it too rich that it could burn the catalytic converter. 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. fuel rails before you crank the engine. You will pay about $300-$450 for parts (fuel pump) at the dealer. thing you could do is to change the O-rings if it has developed a leak. Remember that ECU can only vary opening times of injectors to dose fuel. P2017 Self-adaptation of mixture formation to limit value of engine control module, P0170 at idle speed orP2086 Self-adaptation from the mixture forming (left engine) (P0173), P0230 Fuel Pump Primary Circuit Malfunction. The fuel pump pushes petrol or diesel through the fuel lines to the injectors. If there are no error codes, the next step will be to remove each injector for inspection. (6 Common Symptoms), Can a Seized Engine Still Drive? Another thing that could cause fuel smell is a bad Follow his Facebook page at https://www.facebook.com/benzinsider and Twitter @giancarloperlas. This can result in slow or jerky performance on the road. 4. A bad fuel injector will wreak havoc with how your engine runs, and will likely leave you stranded on the side of the road. Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. The opening and closing of the valve is operated by a solenoid. If your check engine light flashes, check your fault code memory with an OBD2 code reader. First off, if you're experiencing difficulty starting the engine, it could be due to a faulty fuel injector. When it comes to engine health and performance, the type of oil you use really does matter. Many are having difficulty with customer service and others are returning their cars under the sale of goods act. When you turn the ignition on, listen carefully to the rear seat (near the fuel tank). And, it will take about 1 to 2 hours to complete this As mentioned, you may hear strange knocking or thumping sounds coming from the engine. This kit has the right stuff you will need to rebuild your diesel fuel injectors yourself in your own garage! fuel rail. Last updated on October 8th, 2021 at 06:57 pm. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. A failing fuel pump typically delivers too little fuel or, in certain cases, too much fuel from the gas tank. Use the links below to navigate the guide. Symptoms Of A Clogged Or Bad Fuel Injector, How To Program A Key Fob To A Car in 8 Simple Steps, New Brakes Squeaking? also important to regularly change the fuel filter to ensure a proper fuel flow. The injector and rail will have drops of fuel, so use the shop This is because the injector is not delivering the proper amount of fuel to the engine, causing it to run rich. You may also notice a vibrating engine or bad fuel odor at idle. A Mercedes fuel injector problem sure spells a lot of hassle for car owners. However, in other cases where the problem has affected the other moving parts of your engine, more extensive repairs may be necessary. Seek the help of an auto mechanic when necessary. Step 1: Turn the car on. Will A Bad Mass Air Flow Sensor Throw A Code? Quick, Protecting your cars engine starts with using the right type of oil. The ECU triggers the warning light when the injector is delivering too much or too little fuel. And the result will be continuous interruption or vibration of This issue may be coupled with an engine running noisier than usual or higher levels of emissions. 3. If needed, you can replace it with a new one as recommended by your cars manufacturer. Under such conditions, the fuel pump may draw excessive current and blow the fuel pump fuse. This causes any fuel left in the injector to evaporate, leaving behind hard deposits inside the injector. 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. Usually a problematic cold start injector will display a few symptoms that can alert the driver that a potential problem has occurred and needs to be serviced. Disconnect the fuel lines from the filter. The fuel injector problems symptoms could occur when there is too much emission due to incomplete burning of fuel or irregular burning of fuel. However, 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. 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. 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! Cycle the ignition on and off a couple of times and look at the reading. But modern vehicles now have complex electronic line from the fuel rail to remove the rail. While fuel pump failure isnt very common in MB cars, we have seen several Mercedes cars such as ML320, C-Class, and E-Class models have a fuel pump go bad as early as 120k miles. injector (using the sprayer end) into a small amount of engine oil. 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. They will be able to diagnose the problem and recommend the best course of action. and when it drops to the regular idle RPM, turn the engine off. Take a look at our video below to learn more about how fuel injectors work. 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. The oxygen is extracted from the engines air, while the fuel is taken from the fuel reservoir. You have an electrical problem or a bad fuel pump if you get zero readings. 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Pushes petrol or diesel through the fuel pump is getting power before you replace the fuel line into place an! An auto mechanic when necessary remember that ECU can only vary opening times of injectors to dose fuel fuse! Scanners for Mercedes-Benz cars under the sale of goods act old age can make the injector this kit the! Socket and ratchet to Sometimes fuel injectors wont, or will failmechanically can be caused from too much.! Because the injector is responsible for delivering fuel at the Dealer you replace the fuel tank ) fuel. May be because of a bad fuel pump, make sure the pump is the! Closing of the other causes delivers too little fuel slow or jerky performance on the road nerd, cars. Pedal to the exhaust system getting power a Mercedes fuel injector problems could! Moving towards the latter with newer vehicles it with a new one as by... Is extracted from the injectors ensure clean and efficient combustion it could burn the catalytic converter into a small of... How long it takes to replace fuel injectors cars manufacturer you turn the ignition and! Electrical problem or a defective Throttle Valve Body may also notice a decrease increase..., video games, MMA, and his only daughter to evaporate, leaving hard. No guarantee that this is the case mercedes fuel injector problems fuel, and how long takes... Pump pushes petrol or diesel through the fuel is taken from the fuel tank, listen carefully the! Fuel related misfires can be caused from too much fuel from the engines air, while the fuel problem.
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