Glossary / Engine

fuel cap

9 Episode Mentions
Too Afraid to Ask

The fuel cap is the lid that keeps the gas in the car's tank. If it's not on tight, it can cause problems and make the car less efficient.

Technical Definition

The fuel cap seals the fuel tank and prevents fuel vapors from escaping. A loose or damaged fuel cap can trigger warning lights and affect fuel efficiency.

The Car Curious Weekly

Podcast highlights and car talk, delivered every week.

Help Improve This Entry

Spot an error or have a better explanation? Let us know.

Sign in to suggest an edit