coolant temperture sensor

A lot of cars use two coolant temperature sensors one to report to the temperature gauge another to report engine temperature to the fuel injection computer, that one would set a Check Engine Light if it fails. 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