It indicates that your battery is not being charged and that you need to have the electrical system checked.
Have vehicle scanned to determine the problem
The 2002 Ford Explorer Sport Trac owners manual shows : Motorcraft BXT - 65 - 650 ( Ford's " top of the line " battery for your vehicle )
The check engine light comes on when the engine computer has detected a malfunction and set a trouble code.
the battery will not charge properly
I believe it is mounted underneath the battery tray
The 2001 Ford Explorer Sport ( the Sport is the 2 door model of the Explorer ) came from the factory with the ( Motorcraft BXT-65-650 battery ) * that's BCI group size 65 , 650 cold cranking amps *
It allows the OBD II scanner to connect to your Ford Explorer to " read " any trouble codes when the check engine light comes on for one thing
The 2005 Ford Explorer Sport Trac came from the factory with the Motorcraft BXT-65-650 battery ( that's BCI group size 65 , 650 cold cranking amps )
There is no reset for the light. The light is on because you have a problem with the charging system. Once the problem is corrected the light will go out. Normally the light comes on when the alternator stops functioning.
In a 2002 Ford Explorer Sport Trac : The CHECK " GAGE " warning light comes on if the the oil pressure is too low , the engine cooling temperature is too high , or the gas tank gauge is near or at empty
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I believe it is mounted underneath the battery tray