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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0140: Ho2S 2 Circuit - Insufficient Activity >> Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects that the HO2S 2 signal voltage remains between 408-512 mV for more than 5 minutes.

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