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ferrari 575m acceleration problems

Discussion in 'Technical Q&A' started by ferrari_89, May 1, 2009.

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  1. ferrari_89

    ferrari_89 Rookie

    Aug 17, 2008
    17
    Dallas Texas
    Full Name:
    Nicky Kaba
    #1 ferrari_89, May 1, 2009
    The car accelerates to 4000rpm, and then it bogs. Will not accelerate past 4000rpm's. Please Help.
     
  2. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
    22,614
    The Brickyard
    Full Name:
    The Bad Guy
    #2 ernie, May 1, 2009
    Last edited: May 1, 2009
    Have you checked to make sure the gas pedal isn't getting hung up on the floor mat?

    If that checks out have a look at the connections for the mass air flow sensors. Make sure that they are clean, the wires are in good condition, and connected properly.

    Also how about misfiring? Does it sputter or just bog down? Have you gotten a check engine light? Have you pulled the codes to see what is stored?
     
  3. kens

    kens Formula 3
    Silver Subscribed

    Jun 25, 2006
    1,336
    #3 kens, May 2, 2009
    I suspect the mass air flow sensors. I am familiar with Bosch MAF sensors that can be unplugged and successfully run in limp home mode. Unplugging the air flow sensor can quickly prove or disprove that this is the problem.

    I do have personal experience with acceleration stalling out at 4000 RPM due to the air flow sensor.
     

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