Q: What is the auto power off function?

While your car is designed to get good fuel economy, there are several things that you can do on your own to ensure that you get the most bang for your buck. Here’s how to make sure that you get...

The content theft deterrent (CTD) alarm will sound when either the door is opened without using the key to unlock the driver's door, or when the door is unlocked without using the unlock command from the keyless entry transmitter. My...

It turns out the worst sounds are the low-frequency ones. These can be bad for your ears. It's not going to hurt the car at all. If you wire them correctly, you're going to need bigger set of batteries and...

The code P0685 indicates a problem with Engine Control Ignition Relay Control Circuit. This may have a poor connection or need to be replaced. I would recommend having an expert from YourMechanic come to your home to diagnose and repair...

Hi, thanks for writing in. Prior to further diagnostics you should install the spark plugs that are referred to in the factory service manual and/or obtain the plugs from a GM dealer. Installing alternative aftermarket plugs with different gaps, materials,...

Hello, thank you for writing in. The spark plugs may absolutely be the cause of your misfire (https://www.yourmechanic.com/services/engine-is-misfiring-inspection). Even if only one cylinder is registering a misfire at this time, you should replace all of them at the same time....

Hello - an engine misfire (https://www.yourmechanic.com/question/engine-misfiring_2) can be caused by ignition issues (bad spark plugs, plug wires, coils, or ignition module), or by fuel issues (clogged or leaking fuel injectors). I would recommend an engine misfire inspection (https://www.yourmechanic.com/services/engine-is-misfiring-inspection) by a...

Hi there. When the EPS (Electronic Power Steering) light came on after hitting a pot hole in the road, then the jolt could have dislodged a wire from the EPS controller. Look around the steering column for any loose wiring....

The problems will be two different ones unless the failure code is for loss of fuel tank vapor pressure. I would recommend having fuel leak fixed first and then having the computer scanned for the failure code to see what...