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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 201 (Engine Control System) >> DTC P0420, P0430: Three Way Catalyst Function >> Diagnostic Procedure >> 8. Check Intermittent Incident

8. Check Intermittent Incident

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  .

Trouble is fixed :INSPECTION END 

Trouble is not fixed :Replace three way catalyst assembly.

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