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Home >> GMC >> 1997 >> Forward Control 4.3 W, L35, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Engine Controls - Tests W/Codes - 4.3L) >> Diagnostic Trouble Codes >> DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 1997 GMC Savana, 1997 Chevrolet Chevy Van, and 1997 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Check HO2S heater operation. DO NOT  solder HO2S wires.

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