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Home >> GMC Truck >> 2000 >> Savana 3/4 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Air/Fuel Mixture >> Adjustments

Air/Fuel Mixture: Adjustments

The Air/Fuel ratio is controlled by the PCM and is not adjustable.

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