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355 cold start and warm up

Discussion in '348/355' started by 355tsr, Feb 22, 2011.

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  1. 355tsr

    355tsr Formula Junior

    Mar 9, 2010
    322
    #1 355tsr, Feb 22, 2011
    On cold start the exhaust blower has a squeal or whistle ,it has always done this, is this normal, it will usually stop after about 8 minutes or so I guess a timer or thermostat shuts it off, does anyone else have this whistle or do I need to start looking for an issue
     
  2. Dr_ferrari

    Dr_ferrari Formula 3
    Consultant Professional Ferrari Technician

    Nov 2, 2003
    1,073
    Pocono Sportscar
    Full Name:
    Jim McGee
    #2 Dr_ferrari, Feb 22, 2011
     
  3. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
    Full Name:
    goth
    #3 gothspeed, Feb 24, 2011
    Mine makes a slight .... whirring sound ...... that is barely audible over the engine ...... I know it works because I can feel the air being sucked into the plastic turbine ..... when I put my hand over the inlet filter ..... :)
     
  4. Dr_ferrari

    Dr_ferrari Formula 3
    Consultant Professional Ferrari Technician

    Nov 2, 2003
    1,073
    Pocono Sportscar
    Full Name:
    Jim McGee
    #4 Dr_ferrari, Feb 24, 2011
    Also, If you have a 355 and have never heard the pump come on, most likely you have a blown fuse.

    They usually blow the fuse when they fail from high amp draw and is very, very common.
    And it will also give you a check engine lamp.


    Regards, Jim
     

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