Mike's Workshop Manuals
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GMC
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1992
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Forward Control 7.4 N
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - V6
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Trouble Code Charts
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Code 35, Idle Speed Error 2.5L & 4.3L Turbo
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Throttle Body
Throttle Body
Remove IAC and inspect bore for evidence of IAC valve dragging.