gas cap
Fuel filler cover
A gas cap is the removable cover that seals a vehicle's fuel tank opening.
It prevents fuel from evaporating or spilling and keeps contaminants out.
A loose or missing gas cap can trigger a check engine light.
I realized I'd left my gas cap at the last station.
- fuelEnergy source material
- tankLarge storage vessel
- fillerSubstance closing gaps
- fuel doorVehicle's tank access cover
- lidRemovable container cover
twist · seal · nozzle · pump · fill up · gasoline · diesel · vapor · lock · threaded · tighten · click · loose · check engine · check engine light · evaporation · station · refuel
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