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Dodge Ram 1500 Carbon buildup at top of piston may cause noise

 
Dodge Ram 1500 Problem
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002

Engines Affected: 4.7L V8, 5.9L V8

Average Mileage: 169,029 mi (100,089 mi - 295,000 mi)

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One the 3.9L V6 and 5.9L V8 the carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

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