Mazda RX-8 Problem Report

Mazda RX-8 Check Engine Light Due to Improperly Manufactured Threads on Fuel Filler Pipe

(8 reports)

Some models may have a problem where the Check Engine light illuminates indicating an improperly tightened fuel cap. Due to improperly manufactured threads on the fuel filler pipe, the filler pipe may need to be replaced.

When I go to fill gas tank the filler cap is almost completely loose. -
I had the check engine light come on, and they diagnosed it as gas cap. I had to buy a new gas cap. -
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