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illbigpickle
New User
Mar 23, 2008, 4:56 PM
Post #1 of 6
(2256 views)
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99 gmc jimmy wont start
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99 gmc jimmy wont start. i can introduce a little fuel into throttle body and it will start and idle fine. under acceleration it seems to misfire or bog. i dont know much history of the truck bought used at a steal. the previous owner said he had put a fuel pump in a while back. i have put a fuel filter in my self and pulled a plug to check for spark. if i warm it up it will start back up but not after about 5 minutes. any ideas possable sensor issues ( forgot to mension sevice engine light is on)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 23, 2008, 5:45 PM
Post #2 of 6
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Re: 99 gmc jimmy wont start
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Getting a full code reading would help lots,
T
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illbigpickle
New User
Mar 23, 2008, 5:48 PM
Post #3 of 6
(2250 views)
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Re: 99 gmc jimmy wont start
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was thinking of taking it to auto zone, but kind of scared to drive it any distance. i cant afford the diagnostic tool.
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way2old
Veteran
/ Moderator
Mar 24, 2008, 3:51 PM
Post #4 of 6
(2243 views)
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Re: 99 gmc jimmy wont start
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Also fuel pressure readings would be good to allow us to help you more.
Being way2old is why I need help from younger minds
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khooper
New User
Mar 25, 2008, 5:36 PM
Post #5 of 6
(2237 views)
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Re: 99 gmc jimmy wont start
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'm not sure how simmilar the problem I had is to this one but i hope this helps: My 1998 GMC Jimmy would not release the key from the ignition, and it would sometimes stick in park... The soultion i found is that there is a bunch of (about 4) wires conected to the "shifting column" underneath the boot (near the top left of the boot and about 3 inches down) our problem was caused by having the wires in that connector come loose. the solution was to push the wires back into the connecting peice.
Appearantly GMC didn't think twice about putting fragile electrical components near moving parts...I don't know how similar the 1998 is to the 2000 model but i still hope this helps...
___________________________
 Volvo Blog 
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WPT
New User
Apr 8, 2008, 7:32 AM
Post #6 of 6
(2214 views)
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Re: 99 gmc jimmy wont start
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My 2000 Jimmy has trouble starting, as well. I've been told that it might be a fuel system problem. Perhaps our puzzles are related. I'll ask around, and if I have any luck sorting mine out, I'll let you know how it goes. Good luck.
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