Sure the coil could have gone bad. . .any time a car doesn't start you always check to make sure it has gas in the tank, fuel pressure @ engine, battery current, & verify for spark. If you tell us which one the 4 is missing then we will be able to assit.
Ingnition/electrical
http://www.binghamtonlife.com/manual...electrical.htm
Fuel
http://www.binghamtonlife.com/manual..._emissions.htm