02 sensors help - JeepForum.com
 
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post #1 of 5 Old 05-13-2013, 08:54 PM Thread Starter
rhovater
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02 sensors help

I recently did a swap. I put in a 2000 4.0. I had to buy the engine harness and comp separate. My question is most tj s 2000 up have the mini cats w 4 o2 sensors. My harness has 4 connector but one of them is on the passenger side of the engine near the starter area. The other 3 are on the drivers side. I'm not sure what is going on here with this harness or where my sensors should go. Is this a model that does not required the mini cats? Thanks


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post #2 of 5 Old 05-13-2013, 11:23 PM
Wheelin98TJ
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Moved to TJ Forum, I think you'll get better replies here.
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post #3 of 5 Old 05-14-2013, 12:02 AM Thread Starter
rhovater
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Thanks....this has been a pita.

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post #4 of 5 Old 05-14-2013, 12:42 AM
mchadpayne
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Mine has four 02 sensors and if I remember correctly the rear down stream rear sensor comes across the top of the bell housing from the passenger side. It has the mini cats also
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post #5 of 5 Old 05-14-2013, 12:47 AM Thread Starter
rhovater
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Strange set up....black plug left front, black and gray left rear of engine and then the passenger side ia the other gray...I am probably going to have to swap out my exhaust system.

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