ACCELERATOR MALFUNCTION HAVE A 2007 FORD MUSTANG V6 PONY, NO MODIFICATIONS, WAS USED RARELY FOR 6 MONTHS WHILE MY SON WAS AT SCHOOL. AFTER DRIVING FOR TWO DAYS, PUSHED DOWN LIGHTLY ON ACCELERATOR AFTER A FULL STOP AND CAR BOLTED WITH SCREECHING TIRES (BRIEF), DID NOT OCCUR FOR REST OF TRIP. OCCURRED TO MY WIFE SEVERAL DAYS LATER. YELLOW WRENCH LIGHT FLASHED BRIEFLY BOTH TIMES. ANY IDEAS??

Try cleaning the throttle body butterfly with TB Cleaner.
STP makes a good one.

If it doesn't help - you have a problem with the TBW (throttle by wire)system.
There is a Controller called a ETC (Electric Throttle Controller).
It is a dealer-only part and VERY expensive.

Do a cursory inspection of the floormats first - sometimes they like to bunch up and make the pedal stick.

:D

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