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Home >> Buick >> 1992 >> Century Custom, 4D Wagon >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.5L TBI >> Pcm/BCM Code 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.