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New motor throwing codes
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=91663
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Author:  05liftedKJ [ Thu Sep 03, 2020 7:01 am ]
Post subject:  New motor throwing codes

So I just replaced the motor in my 11 kk last weekend because it dropped the seats, also replaced plugs, wires, coils, air intake, cats, o2 sensors crank sensor and muffler. Now I am getting codes for high voltage on all 4 o2 sensors and IAC rpm higher than expected, also it will not go in closed loop. A few searches have me thinking possibly the coolant temp sensor may be screwing things up but can't seem to find the ohm chart to test it. Any help or ideas would be great, thanks in advance

Author:  WWDiesel [ Thu Sep 03, 2020 4:20 pm ]
Post subject:  Re: New motor throwing codes

Found this, cannot guarantee it is a perfect chart for your Jeep. :wink:
Maybe able to use it as a guide?

Image

Author:  05liftedKJ [ Thu Sep 03, 2020 7:45 pm ]
Post subject:  Re: New motor throwing codes

Thanks man. Hoping that sensors bad and solves the issue, otherwise im not sure what the problem is

Author:  05liftedKJ [ Sat Sep 05, 2020 3:03 pm ]
Post subject:  Re: New motor throwing codes

Figured out the issue. Dont use any o2 sensor other than ngk cause they wont work right

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