because the gas cap is bad, it will not build pressure in the tank, nothing major, but will cause an annoying light.
If the check engine light is flashing that means an engine cylinder misfire has been detected
The check engine light comes on when the engine computer has detected a malfunction and set a trouble code.
Take it to advance auto and they will do it for free.
Im guessing there is something wrong with your car!
A check engine light informs you that there is something wrong with the engine. After you run a diagnostic test, you will be able to tell what exactly is wrong.
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
You use a scan tool after repairing the cause of the code that turned the light on.
If your check engine light is staying on , that indicates that a malfunction has been detected with the emission control system . You need to have your Explorer scanned for any trouble codes in order to diagnose and repair the problem , then the light can be reset
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
On a 1997 Ford Explorer : CHECK ENGINE is just to the left of the " C " on the engine coolant temperature gauge ( Helpfull )
The Power Distribution Box is in the engine compartment of your 2001 Ford Explorer Sport . It is on the drivers side between the battery and the firewall If you wish to view the 2001 Ford Explorer Sport owners manual ( which includes the P D Box diagram ) check out : www . motorcraft service . com ( no spaces ) Click on Owner Guides
After the Explorer is scanned for trouble codes to diagnose and then repair the malfunction , then the check engine light can be reset