The check engine lite can be turned off by using a scan tool and clearing the codes. The lite will go out by itself after the ECM passes the EVAP system on three consecutive tests, however the code will be stored in the ECM memory for approx 250 test cycles, then erased from the memory.
What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.