If your car has a PCV valve, and if your engine has been idling roughly or a malfunction indicator light goes on, check the valve. Car manufacturers suggest that PCV valves be cleaned or replaced ...

Dear Tom, Smoke is coming out of the tailpipe of my 2002 Chrysler Sebring with 90,000 miles. Is this a big problem? I have to put a quart of oil a week in the engine. What should I do? Sally from The ...

Clogged crankcase ventilation systems often are overlooked causes of engine oil leaks. Savvy service personnel keep these systems at the top of their mental checklists for solving oil leaks. I'll ...