Question about 2001 GMC Jimmy

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Jimmy starts but doesn't stay running

Replaced the fuel pump,fuel filter, spider fuel injection

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Could be a fuel starvation problem. Check the fuel pressure - if it drops below 50 psi, the engine will stop. If that is the case, the fuel regulator is probably faulty or not installed correctly (leaking). Another check would be for an intermittent in the fuel pump connector or a faulty fuse/relay as well.

Posted on May 18, 2014

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SOURCE: 1995 gmc Jimmy

timing is off try the timming senser

Posted on Oct 11, 2008

  • 1 Answer

SOURCE: My 1995 GMC jimmy 4x4 just stopped running.

Had same problem. replaced spark plugs and egr vavle. Runs like a top and was cheaper than fuel pump and filter.

Posted on Jul 08, 2009

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SOURCE: 2000 GMC Jimmy won't start

i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ

Posted on Jul 13, 2009

SOURCE: 1997 GMC Sierra 5.7 Vortec, replaced the fuel

10psi is, as I'm sure you know, about 48psi short of what you need to get it running. Did you verify you're getting a full 12 volts at the fuel pump connector? Check the ground wire also, ohm it out to chassis ground, shouldn't be more then a few ohms. Verify it's making a good connection and the terminals are clean and tight. High resistance in the wiring or a connector in the circuit could cause the fuel pump to not output the right amount of pressure.
Did you replace the fuel pump with an aftermarket unit or an oem part?

Posted on Nov 01, 2009

  • 4088 Answers

SOURCE: 2000 gmc jimmy shut off while driving, replaced

Replace the fuel filter first. When you turn the key on, the fuel pump should run for a few moments, then turn off. If it keeps running, then replace the pump as well. Suggest having the fuel system pressure checked at the engine itself. Hope this helps!

Posted on Sep 29, 2010

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Hard start when cold/first start in morning


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Nov 16, 2008 | 1994 GMC Jimmy

1 Answer

93 jimmy


Could be either fuel pump or fuel injection system (spiders).. especially if neither have been replaced yet.. also, suggest you have computer checked for possible malfuction. Good luck

Aug 25, 2008 | 1993 GMC Jimmy

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