fuel pump and fuel filter?
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Junior Member
Joined: May 2009
Posts: 89
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Year: 95
Model: Cherokee
Engine: 4.0 H.O.
i was wonderin if there are any after market fuel pump and fuel filter that i can put on a 95 cherokee...i want to overhaul my engine and was wonderin if that could be done or not?
Thread Starter
Junior Member
Joined: May 2009
Posts: 89
Likes: 0
Year: 95
Model: Cherokee
Engine: 4.0 H.O.
alright...so i look at some on jc whitney...does anyone have an after market fuel pump? if you do, does it give you more power since its givin you more fuel cause i want to put a after market fuel pump after i overhaul my Inline 6
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Joined: Jan 2010
Posts: 118
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From: Katy, Tx
Year: 1989
Model: Wagoneer
Engine: inline 6
SO i put a gas tank and fuel pump from like a 96 grand cherokee i think it was in my 89 wag/cherokee. IT was a lot bigger then my pump and had like 6 wires coming out of the pump where my old one had 2. So i had to splice some things after finding out what each wire did to make it work on my jeep.But now it burns rich as hell and guzzles gas. I just replaced the fuel pressure regulator but it was the one for my old tank so should i put a fuel pressure regulator from a jeep that goes with that tank i got now. Will that fix my prob.
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Joined: Apr 2010
Posts: 30
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From: Virginia Beach, VA
Year: 1991
Model: Cherokee
SO i put a gas tank and fuel pump from like a 96 grand cherokee i think it was in my 89 wag/cherokee. IT was a lot bigger then my pump and had like 6 wires coming out of the pump where my old one had 2. So i had to splice some things after finding out what each wire did to make it work on my jeep.But now it burns rich as hell and guzzles gas. I just replaced the fuel pressure regulator but it was the one for my old tank so should i put a fuel pressure regulator from a jeep that goes with that tank i got now. Will that fix my prob.
I am no expert at mods nor an expert mechanic, I just learn what I need to know to keep my cars drivable! Having stated that, it is my understanding that the fuel pump puts out more pressure than required by the injectors and the fuel pressure regulator (located by the fuel rail) regulates how much pressure the injectors get and sends the "overflow" fuel back into the tank. A much higher pressure fuel pump may effect the efficiency of the regulator (in other words, over power the regulators max through put), but I am not sure. Was this mod done for more power or done out of need and available material?
I would think that the regulator should send the same amount of fuel to the injectors regardless of pump/tank size, but that does not explain your increased gas consumption. Hopefully someone with more knowledge than myself will way in.
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Joined: Sep 2009
Posts: 1,371
Likes: 4
From: morrisonville ny
Year: 2000 @ 1994 givin away
Model: Cherokee
Engine: 4.0
probebly blow up your regulator{boom}gas all over, engine fire.thats why they make the right parts.jmo Last edited by rich; Apr 20, 2010 at 01:57 PM.
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