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Author Topic: im having fuel problems  (Read 1035 times)

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fokai

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im having fuel problems
« on: August 19, 2009, 02:31:48 AM »
my fuel pump turns on but have no fuel coming out of my tb injector.....i can start it but it'll only idle.but,when throttle it,it just dies out.can anybody please give me some info?THNX...........
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Offline aw12345

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Re: im having fuel problems
« Reply #1 on: August 19, 2009, 05:16:55 AM »
Check the fuel pressure, kinda sounds like the pump is toast
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2006 Jeep Wrangler TJ SE
2004 Jeep Wrangler TJ SE

Offline sharpxmen

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Re: im having fuel problems
« Reply #2 on: August 19, 2009, 10:57:16 AM »
like he ^ said or you've got some dirt blocking the prefilter. Also wouldn't hurt to check/replace the filter too if you didn't do it in a while. As long as the pump is spinning these are pretty much the issues that can prevent the flow of gas (bad pump, pre-filter, filter).
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
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fokai

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Re: im having fuel problems
« Reply #3 on: August 20, 2009, 11:01:36 PM »
thnx alot guys i really appreciate it.i'll try it out..whats the average pressure supposed to be?thnx
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Offline sharpxmen

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Re: im having fuel problems
« Reply #4 on: August 20, 2009, 11:03:40 PM »
Quote from: fokai on August 20, 2009, 11:01:36 PM
thnx alot guys i really appreciate it.i'll try it out..whats the average pressure supposed to be?thnx

sorry, i have no idea what the press on the tbi is - hopefully one of the guys here knows and will help
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline chardrc

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Re: im having fuel problems
« Reply #5 on: August 21, 2009, 06:18:05 PM »
TBi needs 14.5psi at the injector (aka after fuel presure regulator) i think the pump is soposed to push at abut 17psi.. i could be wrong on the pump pressure as i could only find the injector pressure in my manual...
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

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