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kleavell22 9/20/2010
1990 GMC G2500 Vandura 8 Cyl 5.7L - Engine
my moms van will start and run for about 20 seconds then it just dies what could be causing that
2 Answers
  • HouseCallAuto
    HouseCallAuto 9/21/2010
    After it dies will it restart right away? Can you tell me if there is ignition spark or not after it dies and will not restart? I need all the details you can give me. make me feel like I'm there.
    kleavell22 9/21/2010
    it has spark and once it dies it wont start unless u turn the key off and back on and then start it i replaced pick up coil coil knock scensor control modgule it runs reel good then it is like you just turn the key off.
  • HouseCallAuto
    HouseCallAuto 9/22/2010
    Check the coil wires on the pos and neg of the coil. There has been many posted repairs of broken wires where the wire breaks inside the insulation. Try pulling on the wires, they should not be able to stretch.

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