chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Audio System - Static/Ignition Noise on AM Band|Page 4822 > < Audio System - Static/Ignition Noise on AM Band|Page 4820
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Ignition Cable: Testing and Inspection

Spark Plug Wire Inspection

Spark plug wire integrity is vital for proper engine operation. A thorough inspection is necessary to accurately identify conditions that may affect engine
operation. Inspect for the following conditions: 

1. Correct routing of the spark plug wires.

Incorrect routing may cause cross-firing. 

2. Any signs of cracks or splits in the wires.
3. Inspect each boot for the following conditions:

*

Tearing

*

Piercing

*

Arcing

*

Corroded terminal

If corrosion, or arcing are indicated on a spark plug wire boot a terminal, replace the wire and inspect the components connected to the wire.

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