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GMC
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2000
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Yukon Base, 5.3 T, 4WD
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Repair and Diagnosis
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Engine Performance
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Engine Controls - On-Vehicle Adjustments
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Idle Speed & Mixture
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Diesel Engines
Diesel Engines
NOTE:
Diesel engines are equipped with electronic fuel injection in which PCM controls all fuel delivery modes based on inputs from APP, ECT and BARO sensors. Idle speed is not adjustable.