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Chrysler New Yorker

 

Report: Engine Knocking Noises From Carbon Buildup

Chrysler New Yorker Problem
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Model Years Affected: 1990, 1991, 1992, 1993

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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.