Dodge Grand Caravan Problem Report

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

(6 reports)
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.
loud engine knocking -
noise has gotten quite loud. nothing done yet. but will try the fuel injector cleaner. -
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