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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 362 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0140: Ho2S Circuit - Insufficient Activity (Bank 1; Sensor 2) >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

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

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