Then you need to have code checked, you can diagnose from there.
Check for vacuum leaks.
On a 1997 Ford Explorer : CHECK ENGINE is just to the left of the " C " on the engine coolant temperature gauge ( Helpfull )
Use a code reader to find out why the check engine light is on.
There's a solinoid in the transmission.Suggest to check that first. Turn on interior lights. Start engine. If the lights go out when the engine stalls, you have a bad ignition switch.
The check engine light is the light shaped like an engine, or the light that states Check Engine (Soon). If this light comes on, it is time to see what the issue is with the engine.
After the Explorer is scanned for trouble codes to diagnose and then repair the malfunction , then the check engine light can be reset
Check it for codes, check the fuel pressure, check the battery connections.....
might need to check your engine soon
check for vacuum leak or dirty fuel filter
If the check engine light is flashing that means an engine cylinder misfire has been detected
According to the 2000 Ford Explorer Owner Guide : No , a separate fuse for the check engine light is not listed
If your check engine light is staying on with the engine running , a malfunction has been detected with the emission control system . Have your Explorer scanned for any trouble codes to diagnose and repair the problem