OBD2 Sensors >> Audi/VW 2.9/3.0L V6 TFSI Engine Sensor Locations

View with cosmetic engine cover installed.  2010 Audi S4 3.0L V6 TFSI
  1. Fuel injectors (under intake manifold)
  2. Intake Air Temp/Manifold Absolute Pressure Sensor (IAT/MAP) (front of engine near HP pump)
  3. Camshaft position sensor 1 (CMP) (front of cylinder head toward passenger side)
  4. Camshaft position sensor 2 (CMP) (front of cylinder head toward driver’s side)
  5. Oil pressure switch (located rear of engine)
  6. Engine Speed sensor (ESS) (right rear of engine at the bottom)
  7. Engine coolant temperature sensor (ECT) (located at front of engine)
  8. Ignition coils (on top of each cylinder head)
  9. Electronic Throttle Control / Throttle Position sensor (ETC) (rear of engine)
  10. Heated Oxygen Sensor 1 (O2S1) (located in passenger side exhaust manifold toward rear of engine)
  11. Heated Oxygen Sensor 1 (O2S1) (located in driver’s side exhaust manifold toward rear of engine)
  12. High Pressure Fuel Pump (left front of engine)
  13. Fuel Pressure Sensor (attached to fuel rail under intake manifold)
  14. Low Fuel Pressure sensor (LFPS) (attached to High Pressure Pump)
  15. Knock Sensors 1 (KS) (under intake manifold)
  16. Knock Sensors 2 (KS) (under intake manifold near fuel pressure sensor)
  17. Camshaft Adjustment Valve 1 (rear of the cylinder head passenger side)
  18. Camshaft Adjustment Valve 2 (rear of the cylinder head driver’s side)

Models Found On, beginning in 2008

  • 3.0 TFSI Porsche Panamera
  • 2.9 TFSI Porsche Panamera 4 E-Hybrid 
  • Audi A6, Audi A7, Audi A8, Audi Q8, Porsche Cayenne/Cayenne E-Hybrid, Volkswagen Touareg
  • Audi S4, Audi S5, Audi SQ5
  • 2.9 TFSI Porsche Panemera 4S (2nd gen), Porsche Cayenne S (3rd gen)
  • DECA: Audi RS4, Audi RS5, Audi S6, Audi S7
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