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Chevrolet
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2003
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Chevy Express G2500, Van Passenger, LQ4
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Repair and Diagnosis
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Engine Performance
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Specifications
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Engine Controls - Service & Adjustment Specifications - 6.0L
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Fuel Systems
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Idle Speed & Mixture
Idle Speed & Mixture
NOTE:
Idle mixture is controlled by Powertrain Control Module (PCM). Idle speed is preset by manufacturer and is not adjustable.