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 G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE CONTROL SYSTEM - 6.6L (LLY) - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS COMPONENT VIEWS
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V
Engine Controls Component Views
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Engine Controls Component Views
WARNING: This page is about a different variant/trim than selected.
| Callout | Component Name |
|---|---|
| 1 | Fuel Injector 7 |
| 2 | Glow Plug 7 |
| 3 | Fuel Injector 5 |
| 4 | Glow Plug 5 |
| 5 | Fuel Injector 3 |
| 6 | Glow Plug 3 |
| 7 | Fuel Injector 1 |
| 8 | Glow Plug 1 |
| 9 | Camshaft Position (CMP) Sensor |
| 10 | Crankshaft Position (CKP) Sensor |
| 11 | Starter |
| 12 | Starter Solenoid |
| Callout | Component Name |
|---|---|
| 1 | Glow Plug 2 |
| 2 | Fuel Injector 2 |
| 3 | Fuel Injector 4 |
| 4 | Glow Plug 4 |
| 5 | Fuel Injector 6 |
| 6 | Glow Plug 6 |
| 7 | Fuel Injector 8 |
| 8 | Glow Plug 8 |
| 9 | Engine Oil Pressure (EOP) Sensor |
| 10 | Engine Oil Level Switch |
| Callout | Component Name |
|---|---|
| 1 | C112 |
| 2 | Fuel Rail Pressure (FRP) Sensor |
| 3 | Turbocharger Vane Position Control Solenoid Valve |
| 4 | Turbocharger Vane Position Sensor |
| 5 | Glow Plug Control Module (GPCM) |
| 6 | Fuel Rail Temperature (FRT) Sensor |
| 7 | Intake Air Temperature (IAT) Sensor 2 |
| 8 | C111 |
| 9 | C110 |
| 10 | C107 |
| 11 | Fuel Pressure Regulator |
| 12 | Engine Coolant Temperature (ECT) Sensor |
| 13 | Intake Air Heater (IAH) Module |
| 14 | Manifold Absolute Pressure (MAP) Sensor |
| 15 | C108 |
| 16 | Exhaust Gas Recirculation (EGR) Valve |
| Callout | Component Name |
|---|---|
| 1 | Fender - Front Left |
| 2 | Electronic Control Module (ECM) |
| 3 | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor |
| 4 | Air Cleaner Assembly |
| Callout | Component Name |
|---|---|
| 1 | Fuel Level Sensor Connector |
| 2 | Battery - Secondary |
| 3 | G305 |
| 4 | Coolant Heater - Fuel Pump (K08) |
| 5 | Coolant Heater (K08) |
| 6 | Fuel Pump Assembly |
| Callout | Component Name |
|---|---|
| 1 | Accelerator Pedal Position (APP) Sensor |
| 2 | Accelerator Pedal |
| 3 | Brake Pedal |
| Callout | Component Name |
|---|---|
| 1 | Turn Signal/Multifunction Switch |
| 2 | Instrument Panel Cluster (IPC) |
| 3 | HVAC Control Assembly |
| 4 | Radio |
| 5 | Auxiliary Power Outlet 2 |
| 6 | Traction Control Switch (JL4) |
| 7 | Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7) |
| 8 | High Idle Switch (UF3) |
| 9 | Inflatable Restraint I/P Disable Switch (Heavy Duty) |
| 10 | Cigar Lighter (DT4)/Auxiliary Power Outlet 1 (w/o DT4) |
| 11 | Blower Motor Switch - Auxiliary (C36) |
| 12 | Tow/Haul Switch |
| 13 | Headlamp and Panel Dimmer Switch |
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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.