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engine surging

This is a discussion on engine surging within the General Help forums, part of the LSx Technical Help Section category; Hey guys, i am still relatively new to the ls1 and fuel injection in general. I went to start my ...

  1. #1
    Junior Member VtBandit's Avatar
    Join Date
    Aug 2008

    Which one?

    engine surging

    Hey guys, i am still relatively new to the ls1 and fuel injection in general. I went to start my car which has been in winter storage in a heated garage on a finally warm day. Well of course i never disconnected the battery cuz i had been starting it and it was dead. I have a booster pack and fired it up. Once it started it began surging badly and when i touch the throttle at all it revs way up almost to the red line and slowly comes back down to begin surging again. Once it started to warm up a little the surging was a little bit less, but still there and the throttle continues to rev it way up. What the hell is going on here? I have never had that happen, but have never stored a fuel injected car before. I had stabil in it. Figured having it in a heated garage would be good. Last year it was in an unheated garage and fired up fine all winter....any help will be more than appreciated!


  2. #2
    None Shall Pass Knight's Avatar
    Join Date
    Jan 2010
    East of Cleveland, Ohio

    99 WS.6 - Modified

    Check for a vacuum leak. It's possible one of the vacuum hoses has become cracked or broke.

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