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Home >> Pontiac >> 1991 >> Grand Prix LE, 3.1 T >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.3L PFI >> Diagnostic Flow Charts For Codes: 13 To 66 >> Code 35, IAC Idle Speed Error Using Tech I >> Throttle Body

Throttle Body

Remove IAC and inspect bore for evidence of IAC valve dragging.