How to scan a check engine light?

Check this link http://www.troublecodes.net/Ford/ There is a company that independent auto repair shops "buy" their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

under the hood on the inner fender is the diagnostic plug. you cannot use a code puller that is used for obd2. there are some aftermarket code checkers that you have to count the light flashes. Roy