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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0420: Catalyst System Efficiency Below Threshold - Bank 1 Or DTC P0430: Catalyst System Efficiency Below Threshold - Bank 2 >> Notes
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DTC P0420: Catalyst System Efficiency Below Threshold - Bank 1 Or DTC P0430: Catalyst System Efficiency Below Threshold - Bank 2: Notes

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM. DTC P0430 applies to 3.3L models.
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