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Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0140: Ho2S Bank 1 Sensor 2 Circuit - Insufficient Activity >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The PCM detects that the HO2S 1 signal voltage remains between 400-500 mV for more than 80 seconds.

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