fuel pressure regulator - JeepForum.com
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post #1 of 4 Old 12-18-2010, 11:55 AM Thread Starter
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1997 TJ Wrangler 
Join Date: Oct 2004
Location: Northeast TN
Posts: 94
fuel pressure regulator

When my jeep sits it's hard to start. I checked and it has no fuel pressure. I think maybe the pressure regulator is bad. I think this is part of the fuel pump assembly. Can it be gotten seporately? Any other ideals of the problem?

I searched and found this.

85 CJ7, 350, NP435, Dana 300, 60-14b, 44" boggers
97 TJ 4.0L, auto transmission, stock
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post #2 of 4 Old 12-18-2010, 03:34 PM
Jonny Jeep
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1997 TJ Wrangler 
Join Date: Feb 2007
Location: Manchester
Posts: 5,817
You can buy the combined fuel filter/regulator on ebay, and i think rockauto.com do them as well. You can get a 5 percent discount using the code at markvii.com or markviii.com not sure as on phone at mo. Check my other posts, you should find a link.
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post #3 of 4 Old 12-18-2010, 03:37 PM
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1998 TJ Wrangler 
Join Date: Sep 2010
Location: las vegas
Posts: 62
you have to drop the gas tank, the job is easy, I replaced mine a year ago. buy the whole assembly. use jack under the tank, before you lower it down completly, on the top left on the tank, you have electrical conection, disconect them.
I use a motorcycle jack, it was easier.
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post #4 of 4 Old 12-18-2010, 05:49 PM
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2007 KJ Liberty 
Join Date: May 2009
Location: canada
Posts: 137
fuel pressure will drop to 0 when motor has stopped BUT the fuel line must not drain out ...i changed my fuel pump last week because i had the same problem ..new fuel pump installed and the problem was still there..now we made some tests and found that i had a leak near the front fuel line were they put the rubber shrink on the stainless steel fuel line ...changed the fuel line and end of problem ...pic below is of the fuel regulator which sits on top of the fuel tank ...you also have a check valve inside the fuel pump ...

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