Question about 2001 GMC Jimmy
Replaced the fuel pump,fuel filter, spider fuel injection
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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Posted on Jan 02, 2017
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
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
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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