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Buick
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1990
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Century V6-204 3.3L VIN N FI
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Adjustments
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Minimum Air Rate - Fuel Injection Only
Minimum Air Rate - Fuel Injection Only
The ECM controls the minimum
idle speed
on this vehicle, and no provisions for adjustment are provided.