Saturn SC1 Problem Report

Saturn SC1 Check Engine Light Due to Gas Cap Issue

(13 reports)

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Check engine soon light came on after an oil change -
have not found a solution yet. Just sporadically makes the "check engine" light turn on, then it eventually turns off weeks or days later. -
Check engine soon light came on. Mechanic checked the computer code and identified leaky gas cap. Going to replace cap. -
After just about every fill up, the light will come on. I re-seat the cap, light goes off within a few more starts. -
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