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Q: dash warning lights on 2008 Ford Mustang GT

A wrench symbol just appeared on my dash??? what is it?
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With due deference to Roy, the wrench light is actually not associated with mainteance on a Ford. It is an indicator of a powertrain issue - in this case, a throttle control issue with the drive-by-wire electronic throttle control. A diagnosis must be performed to determine if a throttle sensor is faulty or perhaps the throttle body itself.
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