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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1990 (Engine Controls And Fuel - 3.6L (Ly7) - DTC P0010 To DTC P0232) >> DTC P0131, P0132, P0137, or P0138 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
HO2S Bank 1 Sensor 1

Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
HO2S High Signal P0131, P0171, P1133, P2A00 P0131, P0133, P0134, P1133, P2A00 P0131, P0133, P0134, P1133, P2A00 P0132, P0134, P0172, P0300, P1133, P2A00 P0133, P0134, P1133, P2A00
HO2S Low Signal P2A00 P0133, P0134, P1133, P1174, P2A00 P0133, P0134, P1133, P1174, P2A00 P0134, P1133, P2A00 P2A00
HO2S Bank 1 Sensor 2

Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
HO2S High Signal P0137, P0140, P2270 P0140, P2271 P0140, P2271 P0138, P0140 P0140
HO2S Low Signal - P0140, P2271 P0140, P2271 P0138, P0140 -
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