Should I replace the ignition coil with a new one?

always go new when it comes to electrical components

WE have the diagnostic tool that won best tool of year at the SEMMA SHOW IN VEGAS called the validator.what makes this tool great is that the valdator checks the the parimeters that set set the light.This will insure that the vechicle is diagnosed correctly the the first tim. PS KISS THAT LIGHT GOODBY.!!!! FRED DONNELLY HUNTS POINT AUTO