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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P0141: Ho2S 2 Heater Performance - Sensor 2 (Except Regal) >> Conditions For Setting DTC

Conditions For Setting DTC

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HO2S 2 voltage remains within 150 millivolts of bias voltage, or approximately 450 millivolts, for more time than necessary. Time ranges between 50-80 seconds depending on ECT at start-up and average MAF since start-up.

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