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GMC
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1997
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Forward Control 4.3 W, L35, Automatic
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 11 (Engine Controls - Tests W/Codes - 7.4L (P Series))
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Diagnostic Trouble Codes
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DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1
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Diagnostic Aids
Diagnostic Aids
WARNING:
This page is about a different variant/trim than selected.
Check HO2S heater operation.
DO NOT
solder HO2S wires.