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Discussion Starter · #1 ·
I have a 1994 wrangler 2.5 Manual transmission.
Motor went and I replaced with a motor out of a 98 TJ.
I swapped everything over to the new donor motor, even the flywheel.
I've double checked the grounds and replaced the distributor.
I am baffled because the old motor ran when i pulled it, just looked like I was trying to fog the neighborhood from the amount of blowby I was getting.
Any suggestions?
 

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Discussion Starter · #3 ·
No, all wiring and sensors are from the original YJ. I converted everything over to the donor motor, sensors, fuel injection, manifolds, new distributor for YJ wiring and crank sensor. I completely stripped the donor TJ motor down avoid any issues.
 

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Do you get fuel pressure at all?
 
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