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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
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Conditions For Setting DTC

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

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