gas cap sensor on jeep liberty
Tighten the gas cap. If that does not do it get a new cap. If that does not work you may need other repairs such as a new carbon canister.
The gas cap light is an indication of a EVAP slow leak. The gas cap is one of the more common fixes to try first. Should try an replace the gas cap with a new one, and have the code cleared. If this comes back on then a EVAP system smoke test is done to find the slow leak.
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