Question about 2000 GMC Savana

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Gmc 1500 savana 6cyl

I just brought this car and the problem is it keeps blowing the engine controll fuse. it a 20amp. fuse.

the next is the fuel pump relay gets very hot even after a shotr distance?
is this normal?

thank you
brian

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  • cartec18 Jun 03, 2008

    i did disconnect the 02sens. and it ran for 1hr. then it started holding back .i stoped and when presst he X it would die off and start bucking and back firing.i chech the fuses and change the fuel pump fuse because it was getting hot, it started up but it only excelarates about 2500rpm over that it would buck and back fire.
    i cutt it off and after 5min i try to start it up and it would not start.
    can you please help me
    GOT STOCKED

  • gonetothectr Aug 23, 2008

    We also have a Savana that keeps blowing 25 amp fuses. When it blows the van stops dead cold. What do we do to find the problem of blowing the fuses. The box is on the right side by the window washer fluid.



    Thanks

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I had same problem, the origanl owner replaced the fuel pump and when reinstalling the gas tank they had wires wedged in between the tank and frame shorting it out...also i had wires that went over the dip stick for my tranny fluid shorting out on it... check that first you never know dont take much to short a wire out...

Posted on Mar 28, 2013

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Posted on Jun 02, 2008

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Relays get hot and thats normal but the fuse burning might be caused by a defective 02 sensor or oxigen sensor disconect sensors and see if keeps blowing the fuse
other cause of burning fuse might be injectors but if you had a mufler or exaust repair latetly most likelly 02 sensor is shorting

Posted on Jun 02, 2008

  • fernando arevalo Jun 03, 2008

    okey if you try to start it again when it is cold most likelly it will start right up, get a fuel presure tester or have some one to check the fuel pressure before and after the problem there

    most likelly when you fuel pump gets hot it will not pump the right amount of fuel,

    you might have to replace fuel pump and fuel filter

    one of the first cauces of fuel pump failuers is due to lock of service to fuel filters

    i hope and this help and go ahead and put the 02 semsor back

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x2 all above answers
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ask.



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25112994-qvzg5ivccfb4p0rjgycwet1k-2-0.jpg

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