Car Problem Reports

Mitsubishi Eclipse GSX Engine Knocking Noises From Carbon Buildup

 
Mitsubishi Eclipse GSX Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994

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Carbon buildup on the top of the pistons is common. As the buildup increases with over time, symptoms vary from light ticking, to hammering, to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.