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

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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Average mileage: 169,029 (100,089–295,000)
Engines affected: 4.7L V8, 5.9L V8
9 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002
12 people reported this problem
2 people shared problem details
2002 Dodge Ram 1500- 4.7L V8295,000
Spark knock
1997 Dodge Ram 1500- 5.9L V8100,089
ticking and hammering noises
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