FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test Step 4

Ignition Secondary Pattern:






^ Evenness of spark plug firing voltage: greater than 5KV.


^ Problems affecting some cylinders:
- Wide spark plug gap(s) or worn electrode(s).
- Improperly installed cap, adapter, or rotor.