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  1. #1
    Active Member Two Rings MOB7D4's Avatar
    Join Date
    Jun 30 2013
    AZ Member #
    118071
    My Garage
    '05 Moro B6 S4 (mine), 2010 Vulva S80 (hers)
    Location
    Plano, TX

    Random throttle cut out...wtf??

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    This issue started out a few weeks ago. The first time, I was merging onto the highway (normally) from a stoplight on an inclined entry ramp. Once into 3rd, the throttle died instantly. ...as I'm lead dog. Let off the pedal...reapply pressure...and we're back in bidness. Didn't happen again until over a week later. This time, didn't come right back. Looking behind me to get over, I noticed the center window brake light was on...like I had my foot on the brake. Tap the brake pedal, light goes out, we're good again. It's now happened 3 times today on the highway home with the cruise control engaged. All 3 times releasing the CC, and the brakes lit. Same fix.

    This happen to anyone else??
    If it has tits or tires, expect , and !!!

  2. #2
    Established Member Two Rings Goneau's Avatar
    Join Date
    Feb 15 2015
    AZ Member #
    315343
    Location
    Connecticut

    Only thought here would be a brake pedal sensor of some sort becoming engaged which would turn off the cruise control?
    As for when you're getting on the highway and obviously not in cruise control i have no idea.

  3. #3
    Veteran Member Four Rings SlickFix's Avatar
    Join Date
    Nov 11 2010
    AZ Member #
    66868
    Location
    Rochester, MN

    Yep, your brake light switch needs replacing. Classic symptoms. Easy fix, 20 minutes tops! Here's the DIY.
    His: 2012 Moonlight Blue Metallic S5 Prestige
    Hers: 2014 Lava Gray Metallic Q5 2.0T
    Son's: 2005.5 Imola Yellow B7 S4 4.2 Sedan
    19" B8 S5 Peelers

  4. #4
    Established Member Two Rings
    Join Date
    Feb 20 2015
    AZ Member #
    316275
    Location
    Nassau County, NY

    Was the same for me. Tranny would not auto-shift sometimes, throttle cut off and no cruise control. Brake switch solved it.

  5. #5
    Active Member Two Rings MOB7D4's Avatar
    Join Date
    Jun 30 2013
    AZ Member #
    118071
    My Garage
    '05 Moro B6 S4 (mine), 2010 Vulva S80 (hers)
    Location
    Plano, TX

    Niiiiiiiiiice!! Looks like I'm heading to the stealership.

    Thanks to all!
    If it has tits or tires, expect , and !!!

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