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Home › Infiniti › 2001 › Q45 Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0420 Or P0430: Three-Way Catalyst Function › Notes

DTC P0420 Or P0430: Three-Way Catalyst Function: Notes

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM.
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