Problem overview
Carbon buildup on the top of the piston is common. Over time this can lead to symptoms varying from light ticking to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.
18 people reported this problem
5 commentsChrysler Town & Country vehicles with this problem
Average mileage: 117,917 miles
(57,000 - 142,407)
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