Carbon buildup at top of piston may cause noise on Chrysler Town & Country

Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.
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Average mileage: (–)
5 model years affected: 1991, 1992, 1993, 1994, more1995
5 people reported this problem
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