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    tecate85's Avatar
    tecate85 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 7, 2010, 09:18 PM
    Truck cranks but won't start
    I have a 2003 GMC sonoma 2 wheel drive 4.3 v6. I just got a fuel pressure gauge and when I turn the ignition on the gauge reads 60 psi so I think my fuel pump is good. Now I am trying to figure out if it's a crank or camshaft sensor or the fuel pressure regulator but I don't know where they are located. Does anyone know where they are located? Also I have a meter to test the sensors but what setting do you put the meter on to test it?
    automd's Avatar
    automd Posts: 43, Reputation: -2
    Junior Member
    		  
    #2

    Feb 10, 2010, 02:45 AM

    Mine did the same thing a while ago and turned out to be a bad fuse block. Sometimes it crank and sometimes not. I just replaced the fuse block and all was good.
    Fuel injectors located at the end of the fuel rail at the front of the engine.
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