Question about 1997 Mercury Cougar XR7

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Car hops at red light

When i stop at a red light the car seems to hop like it wants to shut off but doesn't. this only happens when im standing at a red light.

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  • elithetiger Oct 03, 2009

    1997 mercury cougar xr7

  • yadayada
    yadayada May 11, 2010

    make model and year please. what you have is called surging



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when you stop at red you are also pressing the breaks which turn the break light on. it is possible the lights loads the generator and hence loads the engine. try to see what happens when you shift to neutral and use the hand-break (no breaks light). does the car hops then?
maybe you need to increase the ideal RPM

Posted on Sep 12, 2010

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By the sounds of things your car is idling to high & you need to take your car to the machenic

Posted on Sep 30, 2009


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SOURCE: when i stop at a red light the car seems to hop

my cougarr does the same thing , so what could it be..

Posted on Sep 28, 2009

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