Quote:
Originally Posted by serialk11r
Turbowned, you're quite mistaken about the primary cat, which I've seen you post 2 times now lol. That's the precat, the primary cat is downstream.
|
Quote:
Originally Posted by Turbowned
Ugh, now I gotta dig through old threads to confirm... gimme 5 minutes!
Yep, you're right. Pre-cat. I think I read Draco-REX say it and I just regurgitated. You corrected him, too.
|
The second cat isn't monitored. The downstream O2 is located after the cat in the manifold and before the second cat further down.
Are you referring to a difference in construction? Because as far as the ECU is concerned, the cat in the manifold is the only cat on the car.