Ford and General Motors are just two of the automakers who've done away with gas caps in favor of capless fuel systems in ...

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 ...

For a component that’s not much different from the lid of a jam jar, gasoline caps inspire lots of passion. Why doesn’t a new Toyota Sienna minivan have a lanyard so you don’t drive off and leave the ...

The state of Arizona is giving away free gas caps. Not to just anyone. And in fact the cost is being picked up by the company that has the contract with the state to do vehicle emission checks. But ...

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 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 ...