What happens if my gas cap is left off? Why does it cause the check engine light to come on? Have I done some damage to the engine? These are very common questions, and luckily there’s an easy fix and ...

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 ...

If you have a Honda Accord and see the ‘Check Fuel Cap’ notification, there are various possible explanations, some of which are more extensive than others. A loose gas cap commonly causes this, but ...

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 quite a few times. I will sometimes get it to clear the check engine ...

Gas tank caps: They play an important part in your car's fuel system, even setting off a check engine light on the dashboard if they go missing or aren't screwed on correctly after refueling. Yet ...

The gas cap is one part of your vehicle that we bet you don’t give much thought to in spite of how often you use it. The thing is, a gas cap does a lot more than simply close off your vehicle’s filler ...

Even though we constantly think about the fuel powering our cars while on the road, hardly do we pay enough attention to the vessel that's supporting it. Make no mistake about it, your fuel tank and ...