Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 1991 >> LeSabre Base, 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L PFI >> Diagnostic Flow Charts >> Code 35, IAC Idle Speed Error Using Tech I >> Throttle Body

Throttle Body

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