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Discussion Starter · #1 ·
So I did a rear main seal on my 07 Jeep Wrangler Sahara and I also replaced my flywheel because it was slightly bent but now it's all put back together it won't start it turns over like it wants to but just won't finish.. checked the fuel it's getting enough fuel I also changed the crank sensor nothing still same result.. went threw the self check no codes poped up but then used scanner I got a u1412...
So no clue what to do no any advice will help
 

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when you changed the crank sensor did you keep the battery connected? try disconnecting the battery and see if that works, also is it the flywheel you installed the right one? does it have the same tooth count as your old one? if its not the same or not the right tooth count then the jeep will not fire up and the sensor would be the wrong one
 

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Discussion Starter · #3 ·
Yes the battery was connected does that make a difference? And pretty sure same one it's the one it called for from o'reillys but I'll have to make sure.
 
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