Here's what we think may be wrong with your car and what may be causing it.
The list goes from the most likely problem to the least likely. Check out our
Product and How To pages
Vehicle Repair Guide
for your vehicle (if available) for more information about particular parts.
Keep in mind, this is a general diagnosis. Your car may not have the parts we list as potential problems.
If you're not sure if your car has a particular part, check your owner's manual.