Q: I have a 2013 Hyundai Elantra with 84,624 miles. The dealer recently replaced the engine under warranty. When I picked up the completed car, the check engine light came on within a couple of miles.

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 ...

Finding a vacuum leak in a car can be frustrating. This video demonstrates how to make a smoke test machine for detecting vacuum or boost leaks. Using a smoke machine simplifies the process of ...