Why does my car keep saying check fuel cap?
Why does my car keep saying check fuel cap? What the fuel cap indicator means. Simply put, if your fuel cap light is on, it means that the computer has detected a leak in the system, typically from a loose gas cap. If this light comes on while driving, pull over in a safe spot and re-secure the cap. Is check fuel cap bad? Another symptom of a failing gas cap is the illumination of the check engine light. A gas cap that cannot seal can cause an EVAP system leak. The EVAP leak sets off the Check Engine Light....