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no mechanics on this board Its hard to believe that no-one on this site has timed a sohc 4.0. Then, I conclude, that there are no mechanics on this site. What a shame!

Finally found out why my 97 sohc 4.0 sounded like a diesel motor and would not run right. Turns out that this motor was a recent swap with only 20k on it, so I thought, how could it be running so terrible. When the idiot garage put the motor in they did not have the timing correct so the...

I need a fuel pressure regulator for a 97 and up sohc 4.0. If any one has done a motor swap or has one laying around, I'll buy it from you. It has a two foot steel braided fuel line lead on it. That is the difference in the sohc and the ovh. If anyone has a tip on where to get one I would be...

Thanks Aldive, that link has what i need.

I'm replacing the fuel pressure regulator on my 97 sohc ex. I went to Advance auto and they gave me the wrong one, which is for the pushrod 4.0. They do not list the fpr that I need. It has about a two foot braided fuel line lead with a quick connect fitting on the opposite side of the...

Thanks for all the help, I'll test fuel pressure tomorrow and probably change the fpr, which seems to be the problem. I'll know better after i check pressure. As for tonight I'm gonna watch the STEELERS kick the crap out of the Browns. I'll post after I find the problem.

Thanks for the info guys. By the way, is there a way to test the fpr besides a psi test? Also if the o2 sensors are bad will it definetly throw a code or not. And how do you know which o2 sensor is malfunctioning?

Thanks 88vert. Could a bad fpr dump so much fuel that the motor will not start because its flooded? I've searched posts and could not find anybody's ex not starting because of a bad fpr. Has this happened to anyone?

I just bought a 97 sohc ex. and can't keep in running. I searched on fpr threads about rich running conditions but I can't keep this ex running. It will start then wants to immediately die. It then will not start and seems flooded with fuel. I have to let it sit for a while then the same...