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Chevrolet Silverado 1500 HD Problems

Replace spark plugs every 100,000 miles on Chevrolet Silverado 1500 HD

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.

(9 people reported this problem)

Chevrolet Silverado 1500 HD Vehicles With This Problem

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Average mileage: (–)
9 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2008, 2009
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Brake problem? Or maybe a faulty head gasket cylinder?
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