Lexus LX450 Problem Report

Lexus LX450 Check Engine Light With Code P0441 and/or P0446

(3 reports)

The Check Engine Light may illuminate with code P0441 and/or P0446 stored. Our technicians tell us these faults are commonly caused by a faulty charcoal canister or sticking EVAP system purge vacuum switching valve, Proper diagnoses will be required to determine the exact cause of the fault.

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The ECU was checked and is working properly. Where do I look next? Thanks