car shaking
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This is a discussion on car shaking within the Transmission & AWD forums, part of the Tech & Modifying & General Repairs category; from time to time my 06 wrx shakes at start-up for roughly 5-10 seconds. not sure if this is relevant ...

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    car shaking

    from time to time my 06 wrx shakes at start-up for roughly 5-10 seconds. not sure if this is relevant but the rpms idle from a range of 500-1500. id appreciate any input. thanks

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    zax
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    1.) Do you have the AC on or Defrost? Most commonly the "shake" is due to the idle load change as the AC compressor engages/disengages.

    2.) Are you sure it idles at 500? That's lower than the Tach reads. Look at the tach again, closely. Most people seem to confuse the 750 mark with 500.
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    Quote Originally Posted by zax View Post
    1.) Do you have the AC on or Defrost? Most commonly the "shake" is due to the idle load change as the AC compressor engages/disengages.

    2.) Are you sure it idles at 500? That's lower than the Tach reads. Look at the tach again, closely. Most people seem to confuse the 750 mark with 500.
    1) compressor is broken
    2) your right. it looks like 750 after i took a closer look. thanks for clearing that up.

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