Q: Check Engine Light appears and disappears, engine misfires occasionally

When the speed door locking feature is turned on, then your vehicle’s doors will be locked when the car eclipses 12 mph. You can turn on or turn off this feature with just a few quick steps: Turn the ignition...

Hi. The electronic portion of your sunroof includes the sunroof switch, sunroof motor and body control module (BCM). The BCM supplies power to the sunroof motor when the operator pushes the switch. In some cases, a simple reset is all...

You may be having an intermittent misfire, which will make the check engine light go on and off when it is misfiring. Have the computer scanned and it should let you know what cylinder is misfiring, or if there is...

The vehicle may have more than one problem and would need to be thoroughly checked in order to properly diagnose the problem. I would recommend having a certified mechanic test the system's computer and perform a road test to see...

A car is a mechanical device that wears out in a predictable pattern. Therefore, tune-ups are NOT determined by personal predilection. If someone tells you, "In my opinion, a tune up consists of....", run for the exits! In other words,...

Hi there: This sound may be coming from one of your belts; either the drive belt, power steering belt or serpentine belt. When the belts on your Volvo are starting to wear out or collect excessive brake dust or other...

Hi there: Don't beat yourself up too hard; we've all been there and done the same thing at least once in our lives. If you visit your local auto parts store, they might have screw inserts called License plate fasteners...

The abs and parking brake lights (https://www.yourmechanic.com/services/abs-light-is-on-inspection) coming on typically indicate a fault in the anti-lock braking and/or the traction and stability control systems system. These systems rely on a variety of sensors and switches for input. For instance, wheel...

Hi Jeffery. The P-0746 OBD-II trouble code (https://www.yourmechanic.com/article/p0746-obd-ii-trouble-code-pressure-control-solenoid-performance-or-stuck-off-by-valerie-johnston) is one of the more confusing and hard to diagnose codes. P0746 will occur when the required amount of fluid pressure doesn’t match the actual amount that is detected by the vehicle’s...