Replace spark plugs every 100,000 miles on Chevrolet Silverado SS

Problem Description and Possible Solution

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

Problem Data
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Average mileage: (–)
5 model years affected: 2003, 2004, 2005, 2006, more2007
5 people reported this problem