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Home >> Pontiac >> 2001 >> Firebird Formula, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 5.7L >> Diagnostic Tests >> DTC P0140: Ho2S Circuit Insufficient Activity - Bank 1, Sensor 2; P0160: Ho2S Circuit Insufficient Activity - Bank 2, Sensor 2 >> Code Enable Criteria
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Code Enable Criteria

For DTC to run, the following conditions must be met:

DTC will set when HO2S signal voltage is steady between 409-489 mV for 145 seconds and Throttle Position (TP) changes more than 5 percent within one second, 6 times.