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Home >> Pontiac >> 1988 >> Firebird Base, 5.0 E, Automatic >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 2.8L/173" Gas MFI V6 VIN [S] >> Air Induction/Idle Control System >> Fast Idle Check/Adjust

Fast Idle Check/Adjust

The fast idle is electronically controlled by the Electronic Control Module via the Idle Air Control (IAC) valve assembly. Adjustment is not possible.