1990 Cherokee 4.0 O2 replacement
Thread Starter
Member
Joined: Jun 2014
Posts: 110
Likes: 15
Year: 1990
Model: Cherokee
Engine: 4.0
1990 Cherokee 4.0 O2 replacement
My 1990 4.0 O2 sensor has only one wire.
Every parts web site calls out a three-wire O2 sensor for my Jeep.
Why can't I get an exact replacement with one wire?
Every parts web site calls out a three-wire O2 sensor for my Jeep.
Why can't I get an exact replacement with one wire?
CF Veteran
Joined: Aug 2020
Posts: 2,138
Likes: 580
From: SoCal
Year: 1988
Model: Cherokee (XJ)
Engine: 4.0L
Because it is a 3 wire O2 sensor.
https://www.rockauto.com/en/moreinfo...=5132&jsn=1004
Post a few pics of the item in question.
https://www.rockauto.com/en/moreinfo...=5132&jsn=1004
Post a few pics of the item in question.
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