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1997
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C3500 HD 6.5 F, Automatic
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Repair and Diagnosis
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Engine Performance
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Adjustment
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Engine Performance System Adjustments - 7.4L
Engine Performance System Adjustments - 7.4L
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Engine Mechanical
Valve Clearance
Ignition Timing
Idle Speed & Mixture
Notes
Controlled Idle Speed Check
Throttle Position (TP) Sensor