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Replace spark plugs every 100,000 miles on Chevrolet Silverado 3500

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
RepairPal Verified
Average mileage: (–)
Engine affected: Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
7 people reported this problem