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Thread: 1998 Chevy truck will fire, but not stay running

  1. #1
    Junior Member
    Join Date
    May 2011
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    2

    1998 Chevy truck will fire, but not stay running

    I just swapped out a wiring harness from a 97 silverado with a 5.7 vortec on to a 98 chevy with a 5.0 vortec. I have everything working, but it won;t stay running. While I tun the ignition it will fire for a second, then will die when the key is released. It has been down for over a week, and I can't find the issue.

  2. #2
    Senior Member
    Join Date
    Apr 2011
    Location
    Tennessee
    Posts
    211
    i think this engine has a passlock system that will probably have to be bypassed

  3. #3
    Junior Member
    Join Date
    May 2011
    Posts
    2
    did you try turning the switch of and on several times to reset the computer

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