Ford Repair Questions? Ask a Mechanic for Answers ASAP
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The first thing I would check is the idle air control valve. It is a major player for cold starting and idle air control. They can stick and not close enough causing the air fuel mixture to be too lean for cold engine operation. Sometimes you can verify it by starting the engine cold and when it is running poorly lightly tap on the valve with a small hammer. If the idle speed increases to normal cold high idle then replace the valve.
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Thanks for the response. I'm not sure why a pinched wire for the overdrive switch would cause cold starting issues, but if that took care of it then all the better.