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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1139 (Engine Controls Diagnosis - 3.6L (Ly7) (DTC P0135 To DTC P0420)) >> Diagnostic Trouble Codes >> DTC P0140 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detects that the HO2S voltage is between 400-500 mV for more than 10 minutes.

OR

The ECM detects that the measured internal resistance of the HO2S is more than 40,000 ohms, when the calculated exhaust temperature is more than 600° C (1,112° F).

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