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1996
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Suburban C2500, 7.4 J
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Repair and Diagnosis
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Engine Performance
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Engine Adjustments
Engine Adjustments
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Engine Mechanical
Valve Clearance
Ignition Timing (Gasoline)
Injection Pump Timing (Diesel)
Checking/Adjusting Injection Timing
TDC Offset Learn Procedure
Notes
This procedure is only used when one of following conditions exists:
Idle Speed & Mixture
Idle Speed & Mixture (Gasoline)
Notes
Controlled Idle Speed Check
Minimum Idle Speed Adjustment (7.4L)
Idle Speed (Diesel)
Throttle Position (TP) Sensor
All Gasoline Engines
6.5L Diesel