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 or the 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.

Smells Like Change
SYMPTOM : Burning Odor Change
WHEN : Engine Running Change
WHERE : Inside Car Change

Priority Action Part Type Cause
1 Inspect Valve Cover Gasket Incorrectly Installed or Leaking Valve Cover Gasket.
2 Inspect Catalytic Converter Clogged or Faulty Catalytic Converter.
3 Inspect Exhaust Manifold Gasket Exhaust Odor Seeping From Faulty Manifold Gasket.