The most common causes of corrosion are:
Corrosion is accelerated on the vehicle when:
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Dtc p0420 catalyst system efficiency below threshold bank 1
DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:• Engine stalls.• Idle mixture is out of specifications.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode ...