Question about 2002 Ford Escape

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2002 Escape Escape won't idle, as long as you keep foot on accelerator it will run, rpm's drop to zero. Motor dies if you take take foot off accelerator. I changed the fuel filter, no difference. I understand it could be an Idle Air Control Valve. If I replace this valve, do I have to recalibrate the computer? If so, how do I do that?

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No...the valve can be replaced without any "computer change"...the PCM constantly monitors variations in sensor signal strength and accommodates changes to compensate for this. A new valve will not "un-calibrate" the PCM. The PCM will merely begin a new "data record" for it....with possible slow results at first lasting from as short as one minute to possibly nearly a week of driving.

Posted on Jul 07, 2008

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