Spark plug wire integrity is vital for proper engine operation. A thorough
inspection will be necessary to accurately identify conditions that may affect
engine operation. Inspect for the following conditions: 
|     •  | Correct routing of the spark plug wires--Incorrect routing
may cause cross-firing.  | 
 
|     •  | Any signs of cracks or splits in the wires. | 
 
|     •  | Inspect each boot for the following conditions: | 
 
If corrosion, carbon tracking or arcing are indicated on a spark plug
wire boot or on a terminal, replace the wire and the component connected to
the wire.