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.
2004 Chevrolet Tracker 4WDFACTORY OEM SERVICE PROCEDURE
Engine Controls Component Views
| Callout | Component Name |
|---|---|
| 1 | Fuel Level Sensor |
| 2 | TP Sensor |
| 3 | MAF Sensor |
| 4 | CMP Sensor |
| 5 | PSP Switch |
| 6 | HO2S Bank 1 Sensor 1 |
| 7 | ECT Sensor |
| 8 | CKP Sensor |
| 9 | IAT Sensor |
| 10 | HO2S Bank 2 Sensor 1 |
| 11 | MAP Sensor |
| 12 | VSS |
| 13 | Fuel Tank Pressure (FTP) and Fuel Vapor Temperature Sensor |
| Callout | Component Name |
|---|---|
| 1 | EVAP Canister Purge Valve |
| 2 | Exhaust Gas Recirculation (EGR) Valve |
| 3 | IAC Valve |
| 4 | Malfunction Indicator Lamp (MIL) |
| 5 | Bank 1 Ignition Coils |
| 6 | Fuel Pump Relay |
| 7 | Main Relay |
| 8 | HO2S Heater Relay |
| 9 | Fuel Injectors |
| 10 | A/C Condenser Fan Relay |
| 11 | Bank 2 Ignition Coils |
| 12 | EVAP Canister Vent Valve |
| Callout | Component Name |
|---|---|
| 1 | Data Link Connector (DLC) |
| 2 | ABS Control Module |
| 3 | Powertrain Control Module (PCM) |
| 4 | Noise Suppressor Filter |
| 5 | EVAP Canister |
| Callout | Component Name |
|---|---|
| 1 | PCM |
| 2 | CMP Sensor |
| 3 | Ignition Coil 5 |
| 4 | Ignition Coil 3 |
| 5 | Ignition Coil 1 |
| 6 | Spark Plugs Bank 1 |
| 7 | Spark Plugs Bank 2 |
| 8 | Ignition Coil 2 |
| 9 | Ignition Coil 4 |
| 10 | Ignition Coil 6 |
| 11 | Noise Suppressor |
| Callout | Component Name |
|---|---|
| 1 | Throttle Body Assembly |
| 2 | Fast Idle-Up Valve |
| 3 | MAP Sensor |
| 4 | Engine Coolant Hose for Fast Idle-Up Valve |
| 5 | EVAP Canister Purge Valve |
| 6 | PCV Breather Hose |
| 7 | EGR Pipe |
| 8 | Exhaust Manifold |
| 9 | HO2S Bank 2 Sensor 1 |
| 10 | EGR Valve |
| 11 | PCV Hose |
| 12 | IAC Valve |
| 13 | PCV Valve |
| 14 | Brake Booster Vacuum Supply |
| 15 | Fuel Pressure Regulator Vacuum Hose |
| 16 | Fuel Pressure Regulator |
| 17 | IAC Bypass Air Hose |
| Callout | Component Name |
|---|---|
| 1 | Main Relay |
| 2 | Fuel Pump Relay |
| 3 | Junction Box (located above left side hinge pillar trim panel) |
| Callout | Component Name |
|---|---|
| 1 | Bank 2 Exhaust Manifold |
| 2 | HO2S Bank 2 Sensor 1 |
| 3 | HO2S Bank 1 Sensor 1 |
| 4 | Bank 1 Exhaust Manifold |
| 5 | Bank 1 Warm-Up TWC Converter |
| 6 | HO2S Bank 1 Sensor 2 |
| 7 | HO2S Bank 2 Sensor 2 |
| 8 | Bank 2 Warm-Up TWC Converter |
Factory Service Tools
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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.
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