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Old 01-03-2012, 02:44 AM
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engine light turned on and its the

my engine light came on today after driving for about hr and half and i plugged in my tuner and got 2 messages has any one else had this message before. seems like i need to replace the o2 sensor but not sure?
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Old 01-03-2012, 09:30 AM
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Re: engine light turned on and its the

Those are both codes for the first O2 (pre-cat) sensors on both sides. Both sides going at the same time is a little strange. How many miles on your Jeep?
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Old 01-03-2012, 04:47 PM
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Re: engine light turned on and its the

I have about 77k miles. i also just recently had some new cat put in if that would have any thing to do with it. where would i be able to find those 2 sensors and is it any thing to worry about until i replace them? Thanx
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Old 01-03-2012, 04:56 PM
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Re: engine light turned on and its the

they may have swapped the wires and it takes a while for the light to come on.
see if thats the issue.
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Old 01-04-2012, 05:28 PM
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Re: engine light turned on and its the

ok ill check that and actually I left my lights on last night and she died and when i jumped it my engine light is no longer on any more. weird
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