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oxygen sensor

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Old Mar 16, 2011 | 12:43 PM
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Final ShoTs's Avatar
Final ShoTs
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Year: 1988
Model: Cherokee
Engine: I6 4.0
Default oxygen sensor
Right now I can only afford one, and from my understanding you have two of these. Where and which one of these would be the most beneficial to replace? Thank you
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Old Mar 16, 2011 | 12:50 PM
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You'll wanna replace the one closest to the motor, before the cat.

Why are you replacing it, though? CEL?
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Old Mar 16, 2011 | 01:28 PM
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If u r talking about an '88 XJ, I believe u only have 1 O2 sensor. '96 up have 2 or more O2s.
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Old Mar 16, 2011 | 01:29 PM
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Originally Posted by djb383
If u r talking about an '88 XJ, I believe u only have 1 O2 sensor. '96 up have 2 or more O2s.
x2
Renix only had 1. I got a Bosch for 50 bucks when I had mine.
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Old Mar 16, 2011 | 02:37 PM
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Year: 1988
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Thank you, and yeah I've got the check engine light on. I know its just a time deal but my gas milage went from 17 mpg to about 12 lately.
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