Check Engine Light Due to Improperly Manufactured Threads on Fuel Filler Pipe on Mazda MX-5 Miata

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

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.

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