Answer
Oct 31, 2024 - 06:51 AM
A fuel cap code typically refers to a diagnostic trouble code (DTC) related to the vehicle's fuel cap, often indicating that the fuel cap is loose, missing, or not sealing properly. This can trigger the vehicle's onboard diagnostic system to illuminate the check engine light, as an improper seal can lead to fuel vapor leaks and affect the vehicle's emissions system. Ensuring the fuel cap is tightly secured usually resolves the issue, but if the light persists, further inspection may be needed.
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