Code 71
Cylinder Misfire Tests:
MULTIPLE CYLINDER MISFIRE (DTC: P0301)
1) Turn ignition switch "ON", and select "DATA MONITOR" mode with CONSULT.
2) Start engine and warm it up sufficiently.
3) Turn ignition switch "OFF" and wait for at least 3 seconds.
4) Start engine again and drive at 1,500 - 4,000 rpm for at least 10 minutes.