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Home >> Pontiac >> 2002 >> Aztek V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Oxygen Sensor >> Locations
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Oxygen Sensor: Locations








1. Heat Shield
2. Catalytic Converter
3. Heated Oxygen Sensor (HO2S) 2






1. Engine Oil Level Switch
2. Vehicle Speed Sensor
3. Heated Oxygen Sensor (HO2S) Sensor 1






1. Upper Intake Manifold
2. Manifold Absolute Pressure (MAP) Sensor
3. Secondary Ignition (Spark Plug) wires
4. Ignition Control Module (IMC) and Ignition Coils
5. Heated Oxygen Sensor (HO2S) Sensor 1
6. Crankshaft Position Sensor (CKP) Sensor B
7. Exhaust Gas Recirculation (EGR) Valve
8. Throttle Position (TP) Sensor
9. Fuel Feed and Return Pipes
10. Throttle Body
11. Idle Air Control (IAC) Valve
12. Positive Crankcase Ventilation (PCV) Valve
13. Evaporative Emission (EVAP) Canister Purge Solenoid






1. Generator
2. Ignition Control Module (ICM)
3. Heated Oxygen Sensor (HO2S) 1
4. Ignition Coils
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