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GMC
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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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System
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Engine Controls - Basic Diagnostic Procedures - Gasoline
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On-Board Diagnostic (OBD) System Check
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Notes
On-Board Diagnostic (OBD) System Check: Notes
NOTE:
Use of Tech 1 scan tool is required to perform ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK.