Quick O2 sensor question
02-09-2009, 02:46 PM
#1
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Year: 1994
Model: Cherokee
Quick O2 sensor question
I was looking through the invoices that came with my Jeep and didnt see any for an o2 sensor. Its a 94 w/ 145k.
If its not throwing any codes how do I know if it needs replaced? Would there be any benefit to just go ahead and replace it? I think there are two, which one is more important?
Jeep runs pretty good, sometimes idles a little rough. Already did all the other tune up items.
If its not throwing any codes how do I know if it needs replaced? Would there be any benefit to just go ahead and replace it? I think there are two, which one is more important?
Jeep runs pretty good, sometimes idles a little rough. Already did all the other tune up items.
02-10-2009, 02:04 AM
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Year: 1994
Model: Cherokee
Its not throwing codes, didnt know if it would be any sort of benefit to just replace it as its original.
02-10-2009, 07:27 AM
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Year: 1991
Model: Cherokee
Engine: 4.0 I6
That would stop all confusion....
If it's not broke and not throwing codes no point in replacing it. Not sure what year they went to ODBII and added the second O2 sensor but I don't think my buddies 94 has more then 1 sensor. The second would be after the cat converter.
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