Check Engine Light On Dash
Check Engine Light On, Sensor Descriptions

Automotive Engine Sensors

Choose the sensor below for descriptions

  1. Powertrain Control Module (PCM)
  2. Throttle Position (TP) sensor
  3. Mass Air Flow (MAF) sensor
  4. Intake Air Temperature (IAT) sensor
  5. Idle Air Control (IAC) valve
  6. Engine Coolant Temperature (ECT) sensor
  7. Heated Oxygen Sensor (HO2S)
  8. Camshaft Position (CMP) sensor
  9. Knock Sensor (KS)
  10. Vehicle Speed Sensor (VSS)
  11. Crankshaft Position (CKP) sensor
  12. Fuel Injector
  13. Coolant Temperature Sensor (CTS)
  14. Exhaust Gas Recirculation (EGR)
  15. Manifold Absolute Pressure (MAP)
  16. Oil Pressure Sensor
  17. Air Fuel Ratio Sensor

Source: FreeAutoMechanic.com/car-engine-sensors.html