With a scan tool.
You can not disconnect the check engine light.
A flashing check engine light is an indication of a severe engine misfire.
You need a scan tool to properly reset the check engine light.
With a scan tool.
The check engine light stays on when the engine computer has detected a malfunction and set a trouble code.
The check engine light does not come on when an oil change is due. The check engine light is for an emissions related failure. It is reset with a scan tool after the fault is repaired.
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
The Chrysler Cirrus did not come out until 1995. You reset the check engine light with a scan tool or by unhooking the battery. If you have not repaired the cause of the code the light will come back on.
If your check engine light is blinking , that means a cylinder misfire has been detected
Check engine light on
Either with a scan tool or by turning key on,off,on,off,on and counting the blinks.
Usual first sign is a check engine light with a code P0420.Usual first sign is a check engine light with a code P0420.