RPM ****es/rough idle with A/C on?

Discussion in '94-04 V6 Mustang' started by XJay, Aug 22, 2005.

  1. XJay New Member

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    RPM s-p-i-k-ing/rough idle with A/C on?

    I've noticed over the past few weeks that my '99 V6 idles a bit rough while the AC is on, as well as minor RPM s-p-i-k-es. When I turn the AC off, the RPM revs slightly, then falls back into a smooth idle. Could this be a problem?

    (word filter kept ***ing out my words)
    XJay, Aug 22, 2005
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  2. OxMox turkeysammichesonhisface

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    Don't think so,, mine does that from time to time. Might just be some small stuff but nothing major
    OxMox, Aug 22, 2005
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  3. svtwhoa2 New Member

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    hey i also have a 99 v6 and mine does the same thing so does many others so i would worry
    svtwhoa2, Sep 2, 2005
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