Dodge Ram 1500 Problem Report

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

(12 reports)

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.

Spark knock -
ticking and hammering noises -
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