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GMC
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2002
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Envoy 4WD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Self-Diagnostics - 4.2L
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Programming
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Powertrain Control Module
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Notes
Powertrain Control Module: Notes
NOTE:
Programing Powertrain Control Module requires a compatible scan tool and a Techline(R) terminal. Procedure uses a Tech 2 scanner.