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I found the problem and it's not what i thought it was... The zero reading on the fuel pressure gauge was false. Somehow it went bad while still connected to the rail. Since the fuel pressure had been reading good before then, i decided to check spark. i bought the inline spark tester and...

This morning the Jeep won't start. The fuel pressure gauge reads 0 and does not increase for any reason. I have never heard the fuel pump start up so I am not sure if it's coming on or not. I think I need a new fuel pump and/or check valve.

I would like to agree with you both. A little more history... The jeep has had this problem for over a year now. It runs great some days and on others, it won't start. My wife thinks it's related to moisture conditions, but I think it's fuel. We've had in the shop for weeks at a time without...

Doesn't start or takes a long time to start. Seems like fuel problems. It shut off yesterday while my wife was driving it. She said the RPMs seemed really high and then it stumbled a bit and shut off. It would not restart until we got it home and then after cranking a bit, it restarted. I'd...

Hi folks, I have a little 1994 YJ 2.5L FI that my wife and I love. We bought it a couple of years ago and it's a little beater that does everything we want it to do, except run when we want it to. We've had multiple problems with it not starting a lot of the time and it shut off today...