Component Overview

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Overview Of Oxygen Sensors

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1 - Oxygen sensor ahead of catalytic converter, cylinders 4, 5 and 6

2 - Oxygen sensor behind catalytic converter, cylinders 4, 5 and 6

3 - Primary catalytic converter, cylinders 4, 5 and 6

4 - Oxygen sensor ahead of catalytic converter, cylinders 1, 2 and 3

5 - Primary catalytic converter, cylinders 1, 2 and 3

6 - Oxygen sensor behind catalytic converter, cylinders 1, 2 and 3

Fig 2: Overview Of Exhaust Manifold And Catalytic Converter

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1 - Exhaust manifold, cylinders 1 to 3

2 - Exhaust manifold, cylinders 4 to 6

3 - Stud

4 - Seal, cylinders 1 to 3

5 - Seal, cylinders 4 to 6

6 - Exhaust manifold nut

7 - Support

8 - Heat shield on exhaust manifold

9 - Sheetmetal clip

10 - Screw

11 - Sheetmetal holder

12 - Primary catalytic converter, cylinders 1 to 3

13 - Primary catalytic converter, cylinders 4 to 6

14 - Seal

15 - Nut

16 - Sheetmetal holder

17 - Screw

18 - Stud

19 - Nut

21 - Screw

27 - Sheetmetal holder

28 - Oxygen sensor ahead of catalytic converter, cylinders 4 to 6

29 - Oxygen sensor ahead of catalytic converter, cylinders 1 to 3

30 - Oxygen sensor behind catalytic converter, cylinders 4 to 6

31 - Oxygen sensor behind catalytic converter, cylinders 1 to 3