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Losing fire

This is a discussion on Losing fire within the General Help forums, part of the LSx Technical Help Section category; I just did a head swap and what not and now when I get on it the car just dies.. ...

  1. #1
    Member natews6's Avatar
    Join Date
    Apr 2010
    1999 WS6(sold) 2003 Cobra

    Losing fire

    I just did a head swap and what not and now when I get on it the car just dies.. it doesn't do it 100% of the time but i just suddenly dies. It starts right back up so I know I have good fuel pressure, so that makes me believe that I'm losing fire somewhere. I checked the wires real fast and nothing jumped out at me. Any suggestions on where to look?

  2. #2
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Mansfield, PA

    Black & Blue
    '02 WS.6 / '07 Suburban

    Unless you went with stock replacement heads it may be a tuning issue. Anything that affects the engine's volumetric efficiency, especially a set of performance heads or a camshaft, will have a drastic affect on the engine's fueling.

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