Spark Plug Wire Inspection for Cadillac CTS 2009
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:
- 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.