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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1140 (ENGINE CONTROLS AND FUEL - 6.6L (LMM) - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS COMPONENT VIEWS
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Engine Controls Component Views
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Engine Controls Component Views
WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Battery - Right |
| 2 | Fuse Holder - Underhood |
| 3 | X127 |
| 4 | X108 |
| 5 | X107 |
| 6 | X123 (PTO) |
| 7 | Fuse Block - Underhood |
| 8 | X109 |
| 9 | Battery - Left (6A6/TP2) |
| 10 | Engine Control Module (ECM) |
| 11 | Transmission Control Module (TCM) |
| Callout | Component Name |
|---|---|
| 1 | Turbocharger Vane Position Control Solenoid Valve |
| 2 | Glow Plug Control Module (GPCM) |
| 3 | Fuel Rail Temperature (FRT) Sensor |
| 4 | Intake Air Temperature (IAT) Sensor 2 Connector |
| 5 | Fuel Pressure Regulator Connector |
| 6 | A/C Refrigerant Pressure Sensor (C67/CJ2) |
| 7 | Generator - Left (K76) |
| 8 | A/C Compressor Clutch (C67/CJ2) |
| 9 | Engine Coolant Temperature (ECT) Sensor 1 |
| 10 | Engine Coolant Temperature (ECT) Sensor 2 |
| 11 | Camshaft Position (CMP) Sensor |
| 12 | X127 |
| 13 | Generator - Right |
| 14 | Manifold Absolute Pressure (MAP) Sensor |
| 15 | Intake Air Heater (IAH) Module |
| 16 | Intake Air Temperature (IAT) Sensor 2 |
| 17 | Fuel Heater |
| 18 | A/C Low Pressure Switch (C67/CJ2) |
| Callout | Component Name |
|---|---|
| 1 | Fuel Injector 2 |
| 2 | Turbocharger Vane Position Sensor |
| 3 | Fuel Injector 4 |
| 4 | Fuel Rail Pressure Sensor |
| 5 | Fuel Injector 6 |
| 6 | Fuel Injector 8 |
| 7 | Glow Plug 8 |
| 8 | Glow Plug 6 |
| 9 | Engine Oil Pressure (EOP) Sensor |
| 10 | Engine Oil Level Switch |
| 11 | Glow Plug 4 |
| 12 | G106 |
| 13 | G102 |
| 14 | Glow Plug 2 |
| Callout | Component Name |
|---|---|
| 1 | Fuel Injector 7 |
| 2 | Fuel Injector 5 |
| 3 | Fuel Injector 3 |
| 4 | Exhaust Gas Recirculation (EGR) Valve |
| 5 | Fuel Injector 1 |
| 6 | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor |
| 7 | Intake Air Valve |
| 8 | Crankshaft Position (CKP) Sensor |
| 9 | Glow Plug 1 |
| 10 | G103 |
| 11 | G105 |
| 12 | Block Heater |
| 13 | Glow Plug 3 |
| 14 | Glow Plug 5 |
| 15 | Water In Fuel Sensor |
| 16 | Starter |
| 17 | Glow Plug 7 |
| Callout | Component Name |
|---|---|
| 1 | Electronic Adjustable Pedal Assembly (JF4) |
| 2 | Stop Lamp Switch |
| 3 | Accelerator Pedal Position (APP) Sensor |
| Callout | Component Name |
|---|---|
| 1 | Rear Frame Assembly - 3/4 Ton |
| 2 | Exhaust Gas Temperature (EGT) Sensor - 2 |
| 3 | Exhaust Gas Temperature (EGT) Sensor - 1 |
| 4 | DPF Differential Pressure Sensor |
| Callout | Component Name |
|---|---|
| 1 | Exhaust Gas Temperature (EGT) Sensor - 1 |
| 2 | Exhaust Gas Temperature (EGT) Sensor - 2 |
| 3 | DPF Differential Pressure Sensor |
| 4 | Rear Frame Assembly - HD Extended Cab |
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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.