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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 659 (ENGINE CONTROLS - 4.8L, 5.3L, AND 6.0L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS COMPONENT VIEWS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Engine Controls Component Views

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Engine Controls Component Views
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Powertrain Control Module (PCM) Component View
GM1542733Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuse Block - Underhood
2 Battery - Left
3 Powertrain Control Module (PCM)
4 Battery - Right (8Y9/TP2)
Fig 2: Air Induction Components
GM350034Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Clamp
2 Air Duct
3 Clamp
4 Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
5 Air Cleaner Assembly
6 Air Restriction Indicator
Fig 3: Throttle Actuator Control (TAC) Module
GM750162Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Throttle Actuator Control (TAC) Module
2 Throttle Actuator Control (TAC) Connector
3 Fuse Block - Underhood
Fig 4: Left Side Of Engine Component Views
GM1454817Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ignition Coil 1
2 Fuel Injector 1
3 Fuel Injector 3
4 Fuel Injector 5
5 Fuel Injector 7
6 Ignition Coil 7
7 Ignition Coil 5
8 Ignition Coil 3
9 Engine Coolant Temperature (ECT) Sensor
Fig 5: Right Side Of Engine Component Views
GM1454819Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ignition Coil 8
2 Fuel Injector 2 Connector
3 Fuel Injector 4
4 Ignition Coil 2
5 Ignition Coil 4
6 Fuel Injector 6
7 Ignition Coil 6
8 Fuel Injector 8
Fig 6: Top Of Engine Component Views
GM1454818Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manifold Absolute Pressure (MAP) Sensor
2 Throttle Body
3 Evaporative Emission (EVAP) Canister Purge Solenoid
Fig 7: View Of Knock Sensors
GM198593Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Knock Sensor (KS) 1
2 Knock Sensor (KS) 2
Fig 8: Fuel Pump Relay - Secondary - W/Dual Tanks
GM750178Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Pump Relay - Secondary
Fig 9: HO2S 4.8L And 5.3L
GM334918Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Bank 1 Sensor 2 HO2S
2 Bank 1 Sensor 1 HO2S
3 Bank 1 Sensor 1 HO2S Threaded Boss
4 Left Bank Catalytic Convertor
5 Bank 1 Sensor 2 HO2S Threaded Boss
6 Bank 2 Sensor 1 HO2S Threaded Boss
7 Right Side Frame Rail
8 Right Bank Catalytic Convertor
9 Bank 2 Sensor 2 HO2S Threaded Boss
10 Bank 2 Sensor 2 HO2S
11 Bank 2 Sensor 1 HO2S
Fig 10: Heated Oxygen Sensors (HO2S) 6.0L
GM1614608Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
2 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
3 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
4 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Fig 11: Chassis Mounted Fuel/EVAP Controls - 10 Series
GM1606458Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Pump and Sender Assembly
2 Evaporative Emissions (EVAP) Canister Vent Solenoid
Fig 12: Chassis Mounted Fuel/EVAP Controls - 20/30 Series
GM1606457Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Evaporative Emissions (EVAP) Canister Vent Solenoid
2 Fuel Pump and Sender Assembly - Primary
3 Fuel Pump and Sender Assembly - Secondary (Except NQZ)
Fig 13: Fuel Pump And Sender Assembly Components
GM830794Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Pump and Sender Assembly
2 Fuel Tank Pressure (FTP) Sensor
3 Fuel Level Sensor
Fig 14: Accelerator Pedal Position (APP) Sensor Connector
GM751380Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Accelerator Pedal Position (APP) Sensor Connector
2 Accelerator Pedal Position (APP) Sensor
RENDER: 1.0x

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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