- #51 of 93
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Re: 90 Jimmy fuel Promblen [gator14]
by etubbs
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Jul 09, 2008 (4:31 pm)
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Replying to: gator14 (Sep 27, 2006 3:21 pm)
i got 97 jimmy its on back the motor close to the dashright down ull see it sticken out of the motor right under the distributer thats where mine is ..........ed
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- #52 of 93
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what I found wrong w/my 2001 GMC Jimmy fuel pump problem
by wgrace
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Aug 02, 2008 (6:55 pm)
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Replying to: ms71171 (Jun 04, 2008 2:19 pm)
My oldest daughter acquired a '01 Jimmy 2wd. Everything fine and dandy until it wouldn't start. She is 26 (and knows everything) and takes it back to dealer to fix. Dealer has new fuel pump and filter replaced and not too happy that he has to spend $600+ to keep her happy. One week later, same thing, wont start. She goes back to dealer to find that the dealer and his mechanic hasn't got a idea what to do. Now nobody is happy. She ask me for help, I hit the tank w/a big wrench, fired right up. Did the same thing several times over the course of a month, then it finally just wouldn't start at all. After month and a half as a yard ornament she asked if I would like to buy it cheap, big hearted me I said yes. Gave her the money and towed it home. Spent today trouble-shooting the fuel system and found the fuel pump ground wire loose(black wire w/white runner). As soon as I repaired the ground, it fired right up. If you don't see another post from me, then you'll know it worked. Oh, by the way, I've got 12 years w/ John Deere, Caterpillar, and big trucks.
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- #53 of 93
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Re: Jumping in here with my 96 GMC Jimmy Fuel Pump Issues [ms71171]
by ms71171
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Aug 03, 2008 (8:05 am)
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Replying to: ms71171 (Jun 04, 2008 2:19 pm)
Just wanted to update everyone on what finally fixed my 96 Jimmy's fuel pump. I ended up replacing the fuel pump 3 times. 2 times with the Airtex brand from Oreilly Autp Parts, and the last with a OEM Delphi fuel pump. Using the OEM fuel pump is critical it seems on these Vortex motors which seem to be very sensitive to fuel pressure.
The second Airtex fuel pump never completely quit and would keep the truck running just fine if I started it with some fuel dumped in, but never made more than 50psi which is not enough to start the 4.3. It needs at least 54psi to start.
My advice would be to pay the extra $30-40 bucks for the OEM Delphi or AC Delco fuel pump. Don't waste your time on other brands - You only want to do it once, right?
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- #55 of 93
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Fuel leak!!!
by 97jimmy4dr
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Sep 15, 2008 (5:18 pm)
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Just got the truck a week ago, has fuel leak(driver side) drips off of frame when engine is running,only when running. Anyone have any ideas what I should look for, before I go under to have a look????
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- #56 of 93
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Re: Fuel leak!!! [97jimmy4dr]
by mwolf9000
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Sep 16, 2008 (5:35 am)
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Replying to: 97jimmy4dr (Sep 15, 2008 5:18 pm)
The fuel filter is located along the frame rail on the driver's side. You might check the fuel line connections to the fuel filter. Probably a good opportunity to just replace the filter anyway.
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- #57 of 93
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by kschreiber49
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Sep 21, 2008 (5:23 pm)
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the fuel gauge hasn't worked since we replaced the fuel pump we disconnected the battery replaced the fuse re connected the battery fuel gauge went to full then empty then in the middle and stayed any ideas?? please help.
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- #58 of 93
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Re: [kschreiber49]
by mwolf9000
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Sep 22, 2008 (6:39 am)
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Replying to: kschreiber49 (Sep 21, 2008 5:23 pm)
No surprise the problem is with the fuel pump replacement (as opposed to being a problem in the dashboard). I'd tell the garage that replaced the fuel pump that the fuel guage isn't working now and see what they suggest.
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- #60 of 93
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Fuel pump
by snowdawg1
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Sep 27, 2008 (3:10 pm)
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Have 01 jimmy fuel pump is kicking off thought pump was bad I replaced it last night still having issues.Will start after battery is disconnected then reconnected but wont restart. Will a low battery cause this?What would?
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