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2000 cherokee sport

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Old 05-14-2012, 11:27 AM
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Default 2000 cherokee sport

Hi. I recently bought a 2000 Cherokee sport and my check engine light came on a week later. I took it to autozone and they did the check engine light test and said it was my o2 sensor bank 2. I was underneath looking and I think I have 4. 2 up on the manifold and 2I on the pipes that run down. I replaced the one they told me was bad and it was good for a day now its back on. Has anyone had the same problem or know what to do. I'd appreciate it. Thanks. Brandon
Old 05-14-2012, 12:38 PM
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Yep, trying to get information on how to diagnose it now. See this POST

Do you remember the code number? There are a few different codes for the same sensor. Mine is P0156. Be sure to post any progress you make and I will do the same.
Old 05-14-2012, 03:45 PM
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You guys might want to look at MrTowers 02 thread as well. He is sorting out what seems to be a similar problem.
Old 05-14-2012, 03:54 PM
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Originally Posted by Brandon1
it was good for a day now its back on.
Did you erase the code after the part was replaced?
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