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 MANUALSCHEVROLET2002TAHOE 4.8 V, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTINGCOMPONENT LOCATIONS2.2L (VIN 4) "S" SERIES
2002 Chevrolet Tahoe 4.8 V, 4WD
2.2L (VIN 4) "S" Series
2002 Chevrolet Tahoe 4.8 V, 4WDSECTION 2.2L (VIN 4) "S" Series
COMPONENT LOCATIONS 2.2L (VIN 4) SONOMA & S10 PICKUP
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C Refrigerant Pressure Sensor | On A/C Evaporator Tube | |
| Body Control Module (BCM) | Lower Rear Of Instrument Panel, On Heater | |
| Camshaft Position (CMP) Sensor | Right Side Of Engine, Forward Of Coil Packs | |
| Crankshaft Position (CKP) Sensor | Right Side Of Engine, Below Coil Packs | |
| Cruise Control Module | Left Rear Of Engine Compartment, On Cowl | |
| Data Link Connector (DLC) | Lower Left Side Of Instrument Panel | |
| Engine Coolant Temperature (ECT) Sensor | Front Of Engine, In Coolant Piping | |
| Engine Oil Pressure Sensor | Right Side Of Engine, Front Of Coil Pack | |
| EVAP Canister Purge Solenoid | Right Side Of Engine, Above Coil Packs | |
| EVAP Canister Vent Solenoid | Crossmember Area Of Fuel Tank, Rear Center Of Crossmember Behind Fuel Tank | |
| Fuel Injectors | On Lower Manifold Assembly | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | Top Of Fuel Tank | |
| Heated Oxygen Sensor (Bank 1, Sensor 2) | Rear Of Catalytic Converter | |
| Idle Air Control (IAC) Valve | Top Of Engine, On Throttle Body | |
| Ignition Control Module | Right Rear Of Engine, Near Grounding Strap | |
| Intake Air Temperature (IAT) Sensor | Left Front Of Engine Compartment, On Air Intake Duct | |
| Knock Sensor | Lower Right Side Of Engine, Below Coil Packs | |
| Manifold Absolute Pressure (MAP) Sensor | Top Right Side Of Engine, On Intake Manifold | |
| Oxygen Sensor (Bank 1, Sensor 1) | Left Side Of Engine, In Exhaust Manifold Crossover Pipe | |
| Powertrain Control Module (PCM) | Right Side Of Engine Compartment | |
| Secondary Air Injection Pump | Lower Right Front Of Engine Compartment | |
| Secondary Air Injection Reactor Fuse Block | Mounted to Right Front Fender, Next To Battery | |
| Throttle Position (TP) Sensor | Top Left Side Of Engine, On Throttle Body | |
| Underhood Fuse/Relay Block | On Top Of Left Inner Wheelwell | |
| Vehicle Speed Sensor | ||
| A/T | Right Rear Of Transmission | |
| M/T | Left Rear Of Transmission | |
RENDER: 1.0x
NO RELATED
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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.