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  1. #1

    Join Date
    20 Jan 2024
    Location
    Millbrae, CA
    Posts
    2
    Saab(s)
    2004 2.0T aero

    2004 Saab 9-3 2.0T Aero doesn?t decelerate when throttle is released

    I just acquired this car , it has 160k miles on it. When driving and I take my foot off the throttle it takes a long time before the speed starts to decrease. It?ll go a block at slow speeds and on the highway it can go for a quarter mile before the speed starts to drop. Annoying! I?m thinking maybe throttle body issues. It doesn?t throw any codes.

  2. #2
    Dave T.
    Super Moderator Dave T's Avatar
    Join Date
    03 Aug 2010
    Location
    near Seattle, Washington
    Posts
    1,515
    Saab(s)
    1999 9-3SE (2013-2015), 2005 9-3 (2005-2013), 1990 900 (1990-2003)
    A tribute to outstanding wheel bearings.

    What if the car is in neutral? Same thing?

  3. #3

    Join Date
    20 Jan 2024
    Location
    Millbrae, CA
    Posts
    2
    Saab(s)
    2004 2.0T aero
    Dave,

    my experience with neutral: if I’m tooling along the freeway at 65 mph and I release the throttle, and I catch up to traffic, it takes a fair amount of pedal pressure to slow down. If I shift into neutral, it requires about half the amount of pressure.

    I will be looking at how it responds to coasting without using the brakes and also monitor the RPM. See what happens.

 

 

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