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Envoy 4WD
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Engine Controls - Basic Diagnostic Procedures - 4.2L
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Ignition Systems
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Electronic Ignition System
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Notes
Electronic Ignition System: Notes
Fig 1: Locating Camshaft Position Sensor & Camshaft Actuator Solenoid Assembly
Courtesy of GENERAL MOTORS CORP.
Fig 2: Ignition Control System Electrical Schematic
Courtesy of GENERAL MOTORS CORP.