Car Problem Reports

Dodge Grand Caravan Carbon buildup at top of piston may cause noise

Dodge Grand Caravan Problem
6 Reports
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Model Years Affected: 1992, 1993, 1994, 1995, 2001

Engine Affected: 3.3L V6

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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