Check Engine Light Due to Code P1423 on Lexus LS600h

Submitted by Jim Taddei · May 29, 2025
Published by RepairPal

Problem overview

The check engine light may illuminate with a code P1423 stored as a result of a large EVAP system leak. Our technicians tell us this is often caused by a poor seal between the gas cap and the filler neck, revised parts are available to correct this concern.

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