Car Problem Reports

Dodge Grand Caravan Engine Knocking Noises From Carbon Buildup

Dodge Grand Caravan Problem
2 Reports
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Model Years Affected: 1990, 1991


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.

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