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2002
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Envoy 4WD
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Engine Performance
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Engine Control System - Self-Diagnostics - 4.2L
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Component Locations
Component Locations
Fig 1: Locating Accelerator Pedal Position (APP) Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating CMP Sensor & Camshaft Actuator Solenoid Assembly
Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating CKP & KS Sensors, & EVAP Canister Purge Solenoid
Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating ECT Sensor & PCM Connectors
Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating FTP Sensor & EVAP Canister Vent Solenoid
Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Heated Oxygen Sensor 1
Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating Heated Oxygen Sensor 2
Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating IAT & MAP Sensors & Throttle Actuator Control (TAC) Motor
Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating Ignition Coils No. 1 & 6, & Fuel Injector Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating VSS Sensor
Courtesy of GENERAL MOTORS CORP.