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Thread: Wont start

  1. 08-21-2013 07:51 PM #1
    Tampsstyles
    Tampsstyles is offline Junior Member
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    Wont start

    Hey guys so i just finish my v6 to v8 swap on my 2003 silverado and the problem now its that it wont start!! Do i need to reprogramm the computer??
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  2. 08-22-2013 03:17 PM #2
    Mickeymotormount's Avatar
    Mickeymotormount
    Mickeymotormount is offline Senior Member
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    Sounds like you will need to reflash the PCM to remove VATS(vehicle anti theft system).
    '93 Chevy 1500 4X4 ECLB with a '99 Silverado LQ4 6.0 and '99 Escalade 4L60E. SOLD IT!!

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    John
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  3. 08-22-2013 03:48 PM #3
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    Botlfed
    Botlfed is offline They see me rollin'
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    yea its probably the vats system also check all the grounds.
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