While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard ...

OBD stands for "on-board diagnostics." The scanner connects to your car's computer system and can read its internal codes to ...

If the check engine light comes back on ... This is especially true if your household has more than one car and one does not have automatic headlights (as is the case in our household).

It’s a complex and expensive component so follow the instructions on trying to clear it in the manual or take the car to a garage to have it checked. Unlike most warning lights, this engine warning ...

Part of the car’s emissions controls ... Charcoal canister problems can often cause the check engine light to go on, and they are often difficult for mechanics to diagnose.

which poses a health hazard to the car’s occupants and can result in erroneous readings by the oxygen sensor, triggering a check engine light. Larger holes in a manifold will produce loud ...