3.4L and 3.1L V6 Engine Sensor Locations

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Common engine sensor and control component locations for the GM 3.1L and 3.4L V6 (3100, 3400)3.4L and 3.1L engine sensor locations.

  1. MAP Sensor.
  2. EGR Valve.
  3. EVAP System Purge Solenoid.
  4. Idle Air Control Motor (IAC).
  5. Throttle Position Sensor (TPS).
  6. Throttle Body.
  7. Intake Air Temperature Sensor (IAT).
  8. Fuel Pressure Regulator.
  9. Coolant Temperature Sensor (ECT).
  10. Mass Airflow Sensor (MAF).
  11. PCV Valve.
  12. Cam Position Sensor (behind and below power steering pump).

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