misfire .. probably bad spark plug wire.
take it to the autozone they check the engine light for free
and what code does the check engine light say ? go by autozone they will check it for free and get the code.
It means you have an engine misfre.
If the check engine light flashes an engine cylinder misfire has been detected Avoid any heavy acceleration / decelleration and have the vehicle scanned for any trouble code(s) in order to diagnose and repair the problem
The computer has detected a severe emissions malfunction and stored a code. Immediate attention is needed to prevent permenent damage.
check engine
There can be many reasons for the check engine light to be on. The best you can do is to go to service to read the engine problems from the computer. Auto Zone use to do that for free. Thry also use to have a booklet with possible problemes according the computer error mesaje IS THEIR A LIGHT THAT FLASHES TO READ CODE UNDER HOOD?
On a 1997 Mercury Mountaineer : The " CHECK ENGINE " warning light is just to the left of the battery voltage gauge
A flashing check engine light is an indication of a misfire.
If the check engine light is blinking that means an engine cylinder misfire has been detected
Emmissions problem. HAVE THE ENGINE CHECKED!
With a scan tool.