Q: Hello, I have a 2009 328i coupe manual with no maintenance issues. Went to start it and a hard knocking coming from the engine

The door is on a track and on rollers in that track. If the track is blocked or the rollers are broke could bind the door. The door has several safety items that cannot tell the difference between someone in...

Hi there, thanks for writing in about your 1993 Honda Civic del Sol. Your friend was probably referring to a failed MAP sensor (https://www.yourmechanic.com/services/manifold-absolute-pressure-sensor-map-sensor-replacement). It does reside under the intake manifold and can cause mixture issues resulting in RPM surges....

The rusted rotors are from not driving the vehicle that often. When the rotors get wet and sit for a few days they will get rusted, even when new. If you are getting a grinding noise then the work will...

You will find it on the passenger side rear of the engine. It's a little tough to get to unless on a vehicle lift.

My previous comment about timing was in reference to starting the firing order with the correct terminal on the distributor cap. If you have the number one plug wire on the incorrect terminal to start the firing order, this is...

Anytime you are getting a misfire when it is damp and cold the ignition system is going to be the cause most likely. The most common cause will be the ignition spark plug wires arching to ground until the moisture...

Hello - the codes you list (besides the P0101 for the MAF) reference problems with the oxygen sensors (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-oxygen-sensor) and a knock sensor (P0327) for your engine. These are normal higher mileage maintenance items, and do NOT require replacing the...

Hello. The symptoms you are experiencing can be caused by many things. If the vehicle is not starting or is suddenly stalling and then displaying all of the warning lamps then that could be a sign of potential electrical problems....

If a fuse is blown, there will often be a visual indication. If the fuse has a "viewing window", you will see a clear separation of the metal conducting component in the fuse housing. If there is no "viewing window"...