Q: Check engine light

The tab on the bottom of many rear view mirrors is what is known as the "day/night" adjustment switch (https://www.yourmechanic.com/question/how-do-i-switch-between-the-rearview-mirror-day-and-night-setting). The daytime setting is with the tab pushed toward the front of the vehicle. You should be able to see...

The hissing sound you are hearing is most likely a source of a leak in your cooling system. (https://www.yourmechanic.com/services/coolant-is-leaking-inspection) I would recommend having a cooling system pressure test performed on your vehicle by a qualified technician. This pressure test will...

Thanks for your question. If it's a wheel bearing, the noise generally doesn't go away with speed although it might appear that way because the noise gets masked by other noises such as road noise, wind and exhaust. It is...

Hi there. All luxury vehicles have a higher cost in maintenance. I recommend making a list of maintenance that you think would need to be done on a 2008 Porsche and call around to get estimates on the repair cost....

Hi there. There are 4 engine and transmission mounts that your vehicle uses. The engine needs 2 dog bone design mounts and 2 hydraulic compression mounts. Some 3.3L engines may only have 1 dog bone mount. I recommend taking pictures...

Hi there. In order to answer any questions, we need to know the year, make and model of your car, truck or SUV. Different cars have different settings for OnStar services. The best resource to get this information is the...

Hello, thank you for writing in. Checking the brakes was a great place to start. At this point the first thing we need to find out is if symptoms happen always, or only when driving over bumpy roads. If you...

Either the engine temperature at the instant the warning light illuminates is indeed out of range (high) or the temperature reporting system (the fail safe function) is malfunctioning. It is is possible to use a real time automotive scanner to...

A faulty or blown fuse in other electronically controlled systems can cause the IAC motor to malfunction, leading to a higher than normal engine idle speed. Other possible causes of a high idle include vacuum leaks, a malfunctioning throttle (throttle...