No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

We may receive a commission on purchases made from links. A vacuum leak in a car occurs when there's an unintended opening in ...

Dear Tom and Ray: I've been driving for more years than I care to say, but this is the first I've heard of something called a smoke test. Recently, I noticed a gas odor coming from somewhere around ...

I've been driving for more years than I care to say, but this is the first I've heard of something called a "smoke test." Recently I noticed a gas odor coming from somewhere around the back end of my ...