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The alternator charging rate is controlled by the engine control module under the air cleaner housing. You should disconnect the battery and check the connections at the engine control module and look at pin 54 on connector one (C1). It...
Hi there, thanks for writing in about your 2011 Mercedes E550. This sounds like potentially a bad crankshaft sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). I would recommend having the car scanned to see which trouble codes show up. More than likely, there will be more...
Good question and thank you for the details. I want going to go through some things you may want to check and hopefully save you some money. If you come across a problem in any of the areas you will...
As you may know, trouble code P0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) relates to the inefficiency of the catalyst system, which detects the presence of oxygen in the exhaust gases. This can be caused by failing O2 sensors that need to be replaced. This...
Hi there: I think I answered your other question, but if the vehicle can start but won't accelerate past 25 mph, it's possible that your vehicle has triggered the "limp mode" activation. By connecting the cables in reverse direction it...
Hello. Organic brake pads have a reputation for being quiet most of the time. Most of the complaints come from squeaks when the pads are wet. You describe your symptoms as more of a grinding, metal on metal, type of...
Hello, thank you for writing in. The first step is to have the vehicle scanned for diagnostic codes. Then you can take that information and find out what is causing the misfire. Without that information it is a guessing game....
Hello, and thank you for writing in. The check engine light and diagnostic code that sets the warning light off pertain to the ECM. This is a computer in the vehicle that processes inputs from a variety of sensor to...
If If you are a doctor who makes house calls, reliability is likely to be at the forefront of your mind when it comes to choosing a used car. You also expect a certain level of comfort. We have evaluated...
Horse Horse owners need a vehicle with towing capacity. Depending on the size of your trailer and the weight of your horse or horses, you probably won’t be able to get away with less than a 3,000-pound towing capacity, and...
Connecticut Connecticut offers plenty of rain and its fair share of snow during the winter months, which means drivers need vehicles that can handle these conditions. Top selling vehicles in previous years have included the Toyota Camry, Corolla and the...