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SUVs GMC Jimmy GMC Jimmy Fuel System
93 messages, Last post on Aug 17, 2009 at 8:23 AM
You are in the GMC Jimmy Forum. Your Hosts are steve_ & tidester
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Replying to: countryboy276 (Feb 24, 2007 1:21 pm)
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Replying to: jpilchesky (Feb 24, 2007 3:16 pm) David countryboy276  insightbb.com
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I currently own a 1991 Jimmy, but it has many problems. The jimmy i have now is 2 door, dont know if that matters, I just bought a 1993 4 door Jimmy and the only thing wrong with it is the fuel pump regulator. I was wondering if I could take the fuel pump regulator off of my 91 jimmy and put it on the 1993 jimmy I just bought. If you know the answer please email me at chrissanders91aol.com
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Replying to: chrissanders (Apr 24, 2007 8:56 pm) |
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| Can someone give me some advise on my v6 4.3 Jimmy? my truck will run for a while about 10 or 12 miles I will stop the engine for a few minutes and try to start it again and will not start. Pump will not have electrical power (no noise on the pump). after a few minutes the truck will start again and can hear the pump running again. I have put a new gasoline pump, a new gas filter, a new fuel pump Relay. What else can I try? any sensors any where? | |
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Replying to: aaron13 (May 18, 2007 9:51 pm)
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Replying to: jim102 (Jun 06, 2007 7:56 am)
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Replying to: aaron13 (May 18, 2007 9:51 pm) A new stock fuel pump is not one of them. After much experimentation and diagnosis I believe the fuel pressure regulator is at fault - somehow it is tellin the fuel pump that there is 60 pounds of fuel in the line so the fuel pump does not need to run!!! A political simile, the CIA report on WMD in Iraq... I believe the item responsible is inside the throttle body on top of the engine - or maybe Saddam has it so well hidden we can't really prove it exists? Ha ha ha... If the vehicle was mine, after installing a new pump and it repeating the same symptoms after four days of running, I would put in a new pickup line (fuel from the tank) eliminating the stock fuel pump, install an inline external fuel pump (on the inside of the frame) with a fuel filter before AND after the fuel pump - (due to the way the fuel filters are a part of the fuel line design on some vehicles removing the second fuel filter is both bothersome and really beside the point). The pumps such as available on Ebay are about $129, hit up to 120 psi - and are more accessible than dropping the fuel tank every darn time... just my two copper plated zinc pennies worth. Good luck. I am sticking with my 73 Dodge van.
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