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 ...

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 ...