FixVault
Home › Chevrolet › 2003 › Impala LS › Repair and Diagnosis › Engine Performance › System › Engine Control System Self-Diagnostics - 3.8L › Diagnostic Tests › DTC P0134: Ho2S Circuit Insufficient Activity - Sensor 1 › Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects that the HO2S 1 signal voltage remains between 400-500 mV for more than 30 seconds.

About FixVault