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L67 not holding idle

Discussion in 'VY Holden Commodore (2002 - 2004)' started by dean98, May 2, 2019.

  1. dean98

    dean98 New Member

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    Hey guys so I’ve got a vy Ute with an l67, it’s not long manual swapped and was driving recently, but now it’s not holding idle and will struggle
    I can spray “start ya bastard” down the intake and it stays running and sounds fine?
    Could anyone shine a little light on what the problem could be
     
  2. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    Was the tune modified to suit the manual transmission?
     
  3. krusing

    krusing Active Member

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    sounds like a fuel issue, or a lack of fuel,
    Did you change the -
    Fuel Pump
    Fuel Filter
    the Fuel Pressure Valve
    Could even be the crank angle sensor I have heard,
    There is a number of characteristics to consider when you drop a Super6 in a car with a stock LY7 in it.
    First thing to do, is to see if there are any Codes its triggered,
    That has to be a starting point I recon.
    Not all codes activate the MIL.
     
  4. krusing

    krusing Active Member

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    I just another thought,
    clean the throttle body, and make sure the IAC Valve is working.
    Or could be a vacuum leak,
    PCV valve,
    And that’s only the start of things to check for a Super6
     
    Last edited: May 3, 2019
  5. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    ...or we could take the advise of our old mate last week and rebuild the tranny..... :D
     

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