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Home >> Buick >> 1993 >> Riviera V6-231 3.8L VIN L SFI >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Idle/Throttle Speed Control Unit >> Adjustments

Idle/Throttle Speed Control Unit: Adjustments

The idle speed is controlled by the ECM and is not adjustable.

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