my 2006 ford 500 keeps running for a few seconds after I turn off the ignition on 2006 Ford Five Hundred

just started doing this.

by in Berkley, MI on July 30, 2012
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2 answers
ANSWER by , July 31, 2012
do u have any eng codes?
ANSWER by , July 31, 2012
Idle speed to high,need scan to find out why.