Originally Posted By: Vikas
Why is the O2 sensor plug on the engine side? Most of the primary O2 sensors are plugged right in the exhaust manifold and most of the secondary O2 sensors are post catalytic converter.
- Vikas
Exactly.
My car doesn't have an exhaust manifold, it has one port per head and the cat bolts directly to it with the primary 02 at the opening of the cat.
Why is the O2 sensor plug on the engine side? Most of the primary O2 sensors are plugged right in the exhaust manifold and most of the secondary O2 sensors are post catalytic converter.
- Vikas
Exactly.
My car doesn't have an exhaust manifold, it has one port per head and the cat bolts directly to it with the primary 02 at the opening of the cat.
