IGN6 - Check Secondary Display (Continued)

Uneven Firing Voltages:

^ Is the evenness of the spark plug firing voltage greater than normal?

YES -- Check for problems affecting some cylinders:

- Wide spark plug gap(s) or worn electrode(s)

- Improperly installed cap or rotor

- Valves

- Fuel injectors

- Compression

- Vacuum leaks

NO -- GO to IGN7. IGN7 - Check Secondary Display (Continued)