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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 P0140: Ho2S Circuit Insufficient Activity - Sensor 2 (Except Regal) >> Conditions For Setting DTC

Conditions For Setting DTC

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DTC sets when HO2S 2 signal voltage remains between 400-500 millivolts for more than 90 seconds.

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