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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0141: Ho2S Heater Circuit - Bank 2, Sensor 1 (Jimmy CANADIAN, SONOMA & S10 Pickup) >> Conditions For Setting DTC

Conditions For Setting DTC

The HO2S voltage remains within 75 mV of the start-up voltage for a predetermined amount of time, based on ECT and air flow.