Question about 2000 Ford Windstar

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2000 windstar speedometer

Why won't my speedometer read the correct speed. It goes up to about 40km and stops. How do I fix this problem.

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First thing to do from a repair perspective is to hook up a scan tool to the OBD2 port.Go into the real time data stream and see if the vehicle computer is seeing a vehicle speed signal.If the computer is not seeing a speed signal,then it is likely a malfunctioning speed sensor on the transmission,and will have stored trouble codes with numbers and definitions.If the vehicle computer IS seeing a speed signal from the trans,then the speedometer gauge in the dash is malfunctioning.Either way,the vehicle computer has to be accessed with a scan tool,or code reader.Every diagnostic trouble code,has a diagnostic route.The diagnostic route is available through pay sources like All Data online.

Posted on Aug 15, 2008


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