Diagnostic Trouble Code 68 (P0301)

Cylinder Misfire Tests:

NO. 1 CYLINDER MISFIRE (DTC: P0301)
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait for at least 3 seconds.
3) Start engine again and drive at 1,500 - 4,000 rpm for at least 10 minutes.
4) Select "MODE 3" with GST.