Q: Ck. eng. lt. on Had it checked. replaced fuel filler cap. worked ok for a while. now lt. back on

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At times the light comes on and after driving some distance it will go off on it's own.

My car has 117000 miles.
My car has an automatic transmission.

Hi there. Typically when a check engine light is illuminated, and a repair is made, the code needs to be cleared by a professional mechanic. This could be the reason why the light periodically comes on. However, it’s also possible that a different system or mechanic problem has popped up in the meantime. To determine what’s really going on with your Chrysler Concorde, I would recommend having a professional mobile mechanic come to your location and complete a check engine light inspection.

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