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Home › Nissan-Datsun › 2001 › Quest GLE › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0420: 3-Way Catalyst Function › Notes

DTC P0420: 3-Way Catalyst Function: Notes

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