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Oldsmobile
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1990
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Calais L4-138 2.3L VIN A 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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Air/Fuel Mixture
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Specifications
Air/Fuel Mixture: Specifications
Air Fuel mixture is controlled by the Powertrain Control Module
(PCM)
and is not adjustable.