buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Idle Speed > < Air/Fuel Mixture|Specifications
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Air/Fuel Mixture: Adjustments

The Air / Fuel mixture is controlled by the Powertrain Control Module (PCM) and is NOT mechanically adjustable. If Air / Fuel mixture is incorrect
begin diagnosis at Computers and Control Systems / System Diagnosis / Flow of Diagnosis.

Idle Speed > < Air/Fuel Mixture|Specifications