OBD2 Sensors >> GM 3.8L V6 L36 Series II Engine Sensor Locations

View with engine cover installed.  2003 Chevy Monte Carlo 3.8L L36 Series II
  1. Fuel injectors (located on the top of the engine at each cylinder intake port)
  2. Mass airflow sensor (MAF) (attached to throttle body)
  3. Intake Air Temp Sensor (IAT) (located in tube between air filter housing and engine)
  4. Camshaft position sensor (CMP) (located at the engine timing cover)
  5. Oil pressure sensor (located on the oil filter housing)
  6. Knock sensor (KS) (located on the front of engine above the starter)
  7. Crankshaft position sensor (CKP) (located on the front of engine near crankshaft pulley)
  8. Engine coolant temperature sensor (ECT) (located at the rear of engine on top)
  9. Ignition coils (located at the front of engine)
  10. Heated Oxygen Sensors (HO2S) (located in each exhaust manifold)
  11. Electronic Throttle Body / Throttle Control
  12. Manifold Absolute Pressure Sensor (MAP) (on top of front of engine attached to intake manifold)

Models Found On

  • 1996-2005 Buick LeSabre
  • 1995-2005 Buick Park Avenue
  • 1996-2004 Buick Regal LS
  • 1995-1997 Buick Riviera
  • 1996-2002 Chevrolet Camaro
  • 1998-2005 Chevrolet Impala
  • 1998-2005 Chevrolet Monte Carlo
  • 1995-1996 Oldsmobile Ninety-Eight
  • 1995-1999 Oldsmobile Eighty-Eight
  • 1998-1999 Oldsmobile Intrigue
  • 1996-1998 Oldsmobile LSS
  • 1997-1998 Oldsmobile Regency
  • 1995-2005 Pontiac Bonneville
  • 1996-2002 Pontiac Firebird
  • 1997-2003 Pontiac Grand Prix
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Lloyd Morgan
Lloyd Morgan
1 year ago

Codes on p01870 p0440