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Check Engine Light

Old 09-08-2008, 03:40 PM
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Default Check Engine Light

I did a search but couldn't find what I was looking for. While driving today the Check Engine Light came on. I have 700 miles on my new JK. Whats going on? I called the dealer and they said they would have to look at it. Anyone have this issue?
Old 09-08-2008, 03:53 PM
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this could be any of a million possibles, get the code out of it and tell us what it is and someone might help you.

See this link : https://www.jk-forum.com/forums/show...&highlight=obd

Last edited by ResQGrnRubi; 09-08-2008 at 03:57 PM.
Old 09-08-2008, 04:26 PM
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I did that and no codes came up, but the check engine light went off. Who knows.
Old 09-09-2008, 11:13 AM
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It came back on today so I brought it to the Stealership. Code P0038. Its the oxygen sensor. I hope this isnt a sign of things to come.
Old 09-09-2008, 02:23 PM
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Originally Posted by REBELKFX
It came back on today so I brought it to the Stealership. Code P0038. Its the oxygen sensor. I hope this isnt a sign of things to come.
Mine threw P0052 Oxygen Sensor code a month or so ago, and the sensor has been on back order at the dealership since then. The check engine light comes on and off intermittently. The first time I noticed it was on a 75 degree day on a steep climb in 4LO.
Old 09-09-2008, 02:48 PM
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I just got off the phone with the service manager and he told me that the jeep is running fine but the computer is telling them that two (2) Oxygen Sensors are bad. They don't know what to do so they have a call into the Jeep/Chrysler Engeneering Dept. to see if they have any idea.
I can't wait to see what tomorrow brings.
Old 09-15-2008, 01:09 PM
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Yep its the PCM. Dealer called and said they will have a new one for me on Thursday.
Old 09-16-2008, 04:10 AM
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LOL. No no roof leak. Yet....
Old 09-16-2008, 08:22 AM
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This just happened to me yesterday, first time since I've had her (20 months).
I checked the gas cap and put some good gas in and it turned off this morning.
Old 09-16-2008, 11:29 AM
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mine kept throwing all 4 o2 codes and now i am waiting for a new PCM to come in to the dealer for replacement.

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