Test Step 5

Ignition Secondary Pattern:

^ Consistently high spark plug firing voltage in one or more cylinders.

^ Possible causes:
- Spark plug wire(s) not firmly connected to distributor cap or spark plug.
- Disconnected spark plug wire(s).
- Wide spark plug gap(s).
- Open plug wire(s).

^ GO to Test 3. Test 3 - Spark Plug Wire Resistance