Envoy 2WD L6-4.2L (2008): Powertrain Management
Also for this vehicle: Envoy 2WD L6-4.2L VIN S (2002), Envoy 2WD V6-4.3L VIN W (1998), Envoy 2WD V8-5.3L (2007), Envoy 2WD V8-5.3L VIN M (2005), Envoy 2WD V8-5.3L VIN P (2004), Envoy 4WD L6-4.2L (2008), Envoy 4WD L6-4.2L VIN S (2003), Envoy 4WD V6-4.3L VIN W (1998), Envoy 4WD V8-5.3L (2007), Envoy 4WD V8-5.3L VIN M (2005), Envoy 4WD V8-5.3L VIN P (2004).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management247 pages
Relays and Modules - Computers and Control Systems144 pages
Engine Control Module › Component Information130 pages
Technical Service Bulletins22 pages
All Technical Service Bulletins for Engine Control Module:11 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 09-06-04-026C › Aug › 10 › Engine/Transmission - Aftermarket Calibrations234
- 09-06-03-003D › Feb › 10 › Engine Controls - Vehicle Will Not Start, Dead Battery23
- 07-08-49-027 › Dec › 07 › Instruments - Erratic Speedometer Operation2
All Other Service Bulletins for Engine Control Module:6 pages
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…108
- Main Relay (Computer/Fuel System) › Component Information › Locations
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations2
Sensors and Switches - Powertrain Management1,180 pages
Sensors and Switches - Computers and Control Systems658 pages
- Accelerator Pedal Position Sensor › Component Information › Diagrams23
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations234
- Fuel Tank Pressure Sensor › Component Information › Diagrams2
- Intake Air Temperature Sensor › Component Information › Locations234
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2345
- Oil Pressure Sensor › Component Information › Service and Repair
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…99
- Transmission Position Switch/Sensor, A/T › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission2
- Vehicle Speed Sensor › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission23
Sensors and Switches - Fuel Delivery and Air Induction203 pages
Sensors and Switches - Ignition System319 pages
Ignition Switch › Ignition Switch Lock Cylinder › Component Information8 pages
Technical Service Bulletins4 pages
- Service and Repair › Procedures234
Tune-up and Engine Performance Checks25 pages
Fuel Pressure › System Information7 pages
- Idle Speed › System Information › Specifications
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair › Procedures234
- Firing Order › Component Information › Specifications
Spark Plug › Component Information › Technical Service Bulletins6 pages
- Compression Check › System Information › Specifications2
Computers and Control Systems1,593 pages
- Accelerator Pedal Position Sensor › Component Information › Diagrams23
- Intake Air Temperature Sensor › Component Information › Locations234
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations234
- Data Link Connector › Component Information › Locations2
- Electronic Throttle Actuator › Component Information › Description and Operation2
- Fuel Tank Pressure Sensor › Component Information › Diagrams2
- Idle Speed/Throttle Actuator - Electronic › Component Information › Service Precautions
- Main Relay (Computer/Fuel System) › Component Information › Locations
- Malfunction Indicator Lamp › Component Information › Testing and Inspection
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2345
- Oil Pressure Sensor › Component Information › Service and Repair
Relays and Modules - Computers and Control Systems144 pages
Engine Control Module › Component Information130 pages
Technical Service Bulletins22 pages
All Technical Service Bulletins for Engine Control Module:11 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 09-06-04-026C › Aug › 10 › Engine/Transmission - Aftermarket Calibrations234
- 09-06-03-003D › Feb › 10 › Engine Controls - Vehicle Will Not Start, Dead Battery23
- 07-08-49-027 › Dec › 07 › Instruments - Erratic Speedometer Operation2
All Other Service Bulletins for Engine Control Module:6 pages
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…108
- Main Relay (Computer/Fuel System) › Component Information › Locations
Sensors and Switches - Computers and Control Systems658 pages
- Accelerator Pedal Position Sensor › Component Information › Diagrams23
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations234
- Fuel Tank Pressure Sensor › Component Information › Diagrams2
- Intake Air Temperature Sensor › Component Information › Locations234
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2345
- Oil Pressure Sensor › Component Information › Service and Repair
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…99
- Transmission Position Switch/Sensor, A/T › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission2
- Vehicle Speed Sensor › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission23
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…99
- Transmission Position Switch/Sensor, A/T › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission2
- Valve Deactivation Solenoid › Component Information › Diagrams
- Variable Valve Timing Actuator › Component Information › Description and Operation234
- Variable Valve Timing Solenoid › Component Information › Diagrams2
- Vehicle Speed Sensor › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission23
Emission Control Systems31 pages
Air Injection14 pages
- Air Injection Vacuum Control Solenoid Valve › Component Information › Diagrams
- Air Injection Control Valve › Component Information › Service and Repair2
- Air Injection Hose/Tube › Component Information › Service and Repair23456
- Air Injection Pump › Component Information › Diagrams23
- Air Injection Pump Relay › Component Information › Locations2
- Catalytic Converter › Catalyst Shield › Component Information › Service and Repair2
Evaporative Emissions System10 pages
- Canister Purge Solenoid › Component Information › Locations2345
- Evaporative Emission Control Canister › Canister Vent Valve › Component Information › Diagrams2
- Evaporative Emissions Hose › Component Information › Service and Repair › Evaporative Emission (EVAP) Hoses/Pipes Replacement - Canister/Fuel Tank23
- Positive Crankcase Ventilation › PCV Valve Hose › Component Information › Service and Repair23
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations2
Fuel Delivery and Air Induction804 pages
Fuel Pressure › System Information7 pages
- Fuel Pressure Release › System Information › Service and Repair › Procedures234
- Idle Speed › System Information › Specifications
- Accelerator Pedal Position Sensor › Component Information › Diagrams23
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair › Procedures234
Fuel Injector › Component Information124 pages
- Fuel Line Coupler › Component Information › Service and Repair › Metal Collar Quick Connect Fitting Service23456
Fuel Pump107 pages
Fuel Pressure › System Information7 pages
- Fuel Rail › Component Information › Service Precautions › Customer Safety Information2
- Fuel Return Line › Component Information › Service and Repair23456
- Fuel Supply Line › Component Information › Service and Repair23456
- Fuel Tank Unit › Component Information › Diagrams234
- Idle Speed/Throttle Actuator - Electronic › Component Information › Service Precautions
- Main Relay (Computer/Fuel System) › Component Information › Locations
Sensors and Switches - Fuel Delivery and Air Induction203 pages
Throttle Body › Component Information4 pages
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…99
Ignition System645 pages
- Firing Order › Component Information › Specifications
Ignition Coil › Component Information › Technical Service Bulletins6 pages
Sensors and Switches - Ignition System321 pages
Ignition Switch › Ignition Switch Lock Cylinder › Component Information10 pages
Technical Service Bulletins6 pages
- Customer Interest: › 05-07-30-021B › Oct › 07 › A/T - Key Will Not Release From Ignition Lock Cylinder2
- All Technical Service Bulletins: › 05-07-30-021B › Oct › 07 › A/T - Key Will Not Release From Ignition Lock Cylinder2
- All Other Service Bulletins for Ignition Switch Lock Cylinder: › 08-05-25-005 › Oct › 08 › ABS/TCS - StabiliTrak(R) Indicator Blinking/DTC C01962
- All Other Service Bulletins for Ignition Switch Lock Cylinder: › 08-05-25-005 › Oct › 08 › ABS/TCS - StabiliTrak(R) Indicator Blinking/DTC C0196
- Service and Repair › Procedures234
Spark Plug › Component Information › Technical Service Bulletins6 pages
Transmission Control Systems220 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T210 pages
Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information › Technical Service Bulletins4 pages
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T6 pages
- Fluid Pressure Sensor/Switch, A/T › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission2
- Lateral Acceleration Sensor, A/T › Component Information › Diagrams
- Transmission Position Switch/Sensor, A/T › Component Information › Locations › 4L60-E/4L65-E/4L70-E - Automatic Transmission2
- Transmission Temperature Sensor/Switch, A/T › Component Information › Specifications
PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins12 pages
- Customer Interest: › 09-07-30-003B › Jul › 09 › A/T Controls - Highway Speed Booming/Rumbling Noises2
All Technical Service Bulletins for PROM - Programmable Read Only Memory:6 pages
- All Other Service Bulletins for PROM - Programmable Read Only Memory: › 09-06-04-026C › Aug › 10 › Engine/Transmission - Aftermarket Calibrations234