Hello All,
First - thanks for looking!
Just swapped in a Clearwater heavy duty 0331 on my 00 XJ because of the 0331 crack but in the mean time my wiring harness for my 02 sensors got completely jacked (long story) and I'm trying to piece it back together but can't find a single reference showing the O2 sensor layout (it only shows the single pre-cat one for some reason...


Can someone take a look at theirs and tell me which plug goes to which 02 sensor. (or even provide a photo of it?). My FSM doesn't cover the dual precat layout. and I can't proceed any further until I figure this out. I'm about half tempted to stop folks driving 00'ish xj's and asking them If I can take a look...


Very aggravating.


Thanks!
Mitch
00 XJ, 4" RE, 4.56, locked f/r, 33x10.50 BFG KM2's,

 

Not sure if this helps or not, but this is what I found in the FSM:

 

[QUOTE=GreenClassic;2812238]Not sure if this helps or not, but this is what I found in the FSM:

Thanks - that's the same thing I show. My FSM doesn't show the two precat setup either. That's what I need.

Appreciate the attempt to help though

 

The front sensor connects to the plug coming from the front of the fuel rail wiring harness and the rear connects to the plug at the rear of the fuel rail wiring harness. Here's a couple pics I just took of mine.

 

 

Thanks rnmcguire, does yours have the two 02 sensors right out of thr manifold then two after the cats? Or just one above the precat and one below?

The one with 4 is the California emissions setup (which I have).

 

Yes unfortunately I have the Cali emissions with four O2 sensors. Let me know if you need me to snap any more pics. I can do it tomorrow morning.