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Gen2 Gas pedal noise?

Thread in 'Comparisons to Other Vehicles' started by Mark Price 2, Sep 20, 2013.

  1. Mark Price 2

    Mark Price 2 Active Member 1st Gen Owner V6 Engine

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    I have been driving my Father's 2007 ST V6 all week. I noticed while coasting along when I lightly start to accelerate I hear a 1/2-1 second, faint, noise. It's sounds to me like a elec motor sound or possibly a vacuum coming from around the passengers foot well. It happens very quickly, with normal accel. But, when I barely touch the pedal I can make it last for 1 second.

    Is this because it's an electric throttle? Normal?

    I don't think it's noticeable to the average driver. My Father said he never noticed or can really hear it. I'm just very observant of every sound when I'm driving. That's why I love that the rear window can go down on mine. I found my rear diff going out that way.

    Thanks



     
  2. Mark Price 2

    Mark Price 2 Active Member 1st Gen Owner V6 Engine

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    StadEMS3, did you ever resolve this? Description sound similar. Thanks
     
  3. Mark Price 2

    Mark Price 2 Active Member 1st Gen Owner V6 Engine

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    maybe it's a vacuum leak? His blend door is broken
     
  4. Yardsale

    Yardsale Well-Known Member 1st Gen Owner 4 Wheel Drive V6 Engine

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    I had a hissing or air flow sound coming from the passenger side foot area. Turned-out to be a grommet on something (I can[t now remember) that had popped into the cab allowing in engine noise; easy fix.
     
  5. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    It might be noise from the reostaht. when the pedal comes off of it rest point.
     
  6. Mark Price 2

    Mark Price 2 Active Member 1st Gen Owner V6 Engine

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    Thanks guys. I'll check it out further and report back next time I drive it.:haveabeer:
     
  7. Mark Price 2

    Mark Price 2 Active Member 1st Gen Owner V6 Engine

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    FIXED! It was the in-line Vacuum Check Valve. Disconnected It. Blew in and out on the valve a few times. Put it back in. No more hissing on accel and shut down:supercool: seemed like it got stuck. Hopefully will last. If not, part is very cheap.
     
    Last edited by a moderator: Oct 6, 2013

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