Car Problem Reports

Chrysler Pacifica Check Engine Light Due to Carbon Buildup on Valves

Chrysler Pacifica Problem
18 Reports
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Model Years Affected: 2004, 2005, 2006

Engines Affected: 3.5L V6, 3.8L V6

Average Mileage: 128,080 mi (65,000 mi - 178,000 mi)


Carbon buildup on the valves may illuminate the Check Engine Light, indicating "Multiple Cylinder Misfires." The combustion chamber must be cleaned of carbon. There are updated valve spring retainers that will help prevent a recurrence.

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