Why Do You Capitalize Every Word?
Anyways...I would get a compression tester for a local autoparts store and check the compression yourself. If it is a headgasket, two adjacent cylinders will most likely have low compression. That is not always the case, however, so check your coolant for oil and your oil for coolant. White smoke would indicate water vapor burning off, so it may be the headgasket.
Go to
www.c-speedracing.com for information about finding the CEL code.
Good luck though. I don't know what to tell you since it could me many different things.