Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 837 (ENGINE CONTROLS AND FUEL - 2.2L (L61) - INTRODUCTION (2 OF 2))
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Section 837 (Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2))
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Section 837 (Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2))
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Engine Controls Component Views
- Engine Control Module Connector End Views
- Engine Controls Connector End Views
- Accelerator Pedal Position (APP) Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Evaporative Emission (EVAP) Canister Purge Solenoid
- Evaporative Emission (EVAP) Canister Vent Solenoid
- Fuel Injector 1
- Fuel Injector 2
- Fuel Injector 3
- Fuel Injector 4
- Fuel Pump and Sender Assembly - Primary
- Fuel Pump and Sender Assembly - Secondary
- Fuel Tank Pressure (FTP) Sensor
- Heated Oxygen Sensor (HO2S) 1
- Heated Oxygen Sensor (HO2S) 2
- Ignition Control Module (ICM)
- Intake Air Temperature (IAT) Sensor
- Knock Sensor (KS)
- Manifold Absolute Pressure (MAP) Sensor
- Throttle Actuator Control (TAC) Module
- Diagnostic Information and Procedures
- Repair Instructions
- Engine Control Module Replacement
- Crankshaft Position System Variation Learn
- Engine Coolant Temperature Sensor Replacement
- Intake Air Temperature Sensor Replacement
- Manifold Absolute Pressure Sensor Replacement
- Heated Oxygen Sensor 1 Replacement
- Heated Oxygen Sensor 2 Replacement
- Accelerator Pedal Position Assembly Replacement
- Throttle Body Assembly Replacement
- Fuel Pressure Relief
- Fuel Pressure Gage Installation and Removal
- Fuel Injector and Fuel Rail Replacement
- Secondary Fuel Tank Module Replacement
- Primary Fuel Tank Module Replacement
- Fuel Rail Transfer Line Replacement
- Fuel Pressure Dampener Replacement
- Metal Collar Quick Connect Fitting Service
- Plastic Collar Quick Connect Fitting Service
- Fuel Tank Draining
- Fuel Tank Replacement
- Fuel Tank Pressure Sensor Replacement
- Fuel Level Sensor Replacement (Primary)
- Fuel Level Sensor Replacement (Secondary)
- Filler Tube Replacement
- Fuel Hose/Pipes Replacement - Chassis
- Fuel System Cleaning
- Evaporative Emission Canister Purge Solenoid Valve Replacement
- Evaporative Emission Canister Vent Solenoid Valve Replacement
- Evaporative Emission Canister Replacement
- Evaporative Emission Canister Filter Replacement
- Ignition Coil Housing Replacement
- Ignition Control Module Replacement
- Spark Plug Inspection
- Spark Plug Replacement
- Crankshaft Position Sensor Replacement
- Knock Sensor Replacement
- Air Cleaner Element Replacement
- Air Cleaner Assembly Replacement
- Air Cleaner Outlet Resonator Replacement
- Air Cleaner Inlet Duct Replacement
- Description and Operation
- Engine Control Module Description
- Fuel System Description
- Fuel System Overview
- Fuel Tank
- Fuel Fill Pipe
- Fuel Filler Cap
- Primary Fuel Tank Module
- Secondary Fuel Tank Module
- Fuel Level Sensor
- Fuel Pump
- Primary and Secondary Jet Pumps
- Fuel Strainer
- Fuel Filter
- Fuel Pressure Regulator
- Fuel Feed Pipes
- Nylon Fuel Pipes
- Quick-Connect Fittings
- Fuel Rail Assembly
- Fuel Injectors
- Fuel Pulse Dampener
- Fuel Metering Modes of Operation
- Starting Mode
- Clear Flood Mode
- Run Mode
- Acceleration Mode
- Deceleration Mode
- Battery Voltage Correction Mode
- Fuel Cutoff Mode
- Fuel Trim
- Evaporative Emission Control System Description
- Electronic Ignition (EI) System Description
- Throttle Actuator Control (TAC) System Description
- Knock Sensor (KS) System Description
- Air Intake System Description
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.