Q: I am having a problem with my gas cap that is creating an engine warning on my dash. I have been tightening the gas cap ...

The dashboard of your car provides plenty of useful information while you're driving, from the speed you're traveling at to the amount of gas left in your tank. The check engine light is another ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

Dear Car Fix: Last December I bought a 2009 Pontiac G6. I have been having an ongoing problem with the "check gas cap" light coming on intermittently. I know the gas cap is on tight. I turn it four or ...

In a recent column, you talked about how a vehicle’s emissions system monitors itself for leaks. And that if a gas cap is loose and lets vapors escape, that will turn on the check engine light. Well, ...

If your car's gas filler is its hungry mouth, then its gas cap has to be its, um, mouth-cover? Pacifier? No, that's terrible. This analogy is terrible. The point is, interesting gas caps are rare, so ...