buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Idle Speed > < Fuel Pressure Test Port|Locations|Page 4058
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Air/Fuel Mixture: Adjustments

The Air / Fuel mixture is controlled by the Powertrain Control Module and is not adjustable. If Air / Fuel mixture is incorrect begin diagnosis at 
Powertrain Management / System Diagnosis / Flow of Diagnosis

Idle Speed > < Fuel Pressure Test Port|Locations|Page 4058