Q: Im searching for an exhaust/muffler but dont know what all i need to order. i have a stock 2011 bmw 328i sedan and need help.

Gasoline engines cannot run on diesel because it is very hard to get it to burn from the ignition; you need very high heat and pressure to get diesel to combust. For example, if you were to throw a match...

Hello - you are correct. This problem should be fixed by Ford under Recall #15V340000. This is a significant safety issue, and replacement of the steering gear is required. If you are not getting a satisfactory response from your Ford...

Hello. A ticking sound from the engine can be caused by a few different things. Two of the most common causes, as you already figured, are from faulty injectors or an issue with the valve train. If the clicking is...

Hello. It sounds like you have a serious transmission issue. If the engine is revving and the vehicle is not moving then this is a sign that the transmission is slipping and needs to be replaced or rebuilt. If there...

Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall. The idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is a small valve on the engine's intake system...

Diagnostic Trouble Code P0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) has many, many potential causes other than faulty oxygen sensors. You can't use a diagnostic trouble code to determine whether an oxygen sensor is bad. To determine if the sensor is in fact bad, the...

This is a safety measure programmed into the engine control unit. If it senses the engine temperature is high, or is not reading engine temperature at all, it would deactivate the air conditioning system. The a/c compressor is driven my...

Hi There, It sounds like you may possibly have a blown head gasket as a result of the overheating. Sensors like crankshaft and camshaft position sensors are also sensitive to extreme temperatures as well which may be what could have...

Hi Tim. Thanks for sending your question to us today. There could be a few different issues causing this problem, ranging from a damaged shift solenoid to an obstruction of debris inside the transmission hydraulic lines. A blown inner seal...