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Home › Pontiac › 2003 › Vibe Base, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - Self-Diagnostics › Diagnostic Tests › DTC P0133: Ho2S 1 Slow Response › Conditions For Setting DTC

Conditions For Setting DTC

Response time necessary for HO2S voltage to change from rich-to-lean, or from lean-to-rich, is one second or more.