Car Problem Reports

Dodge Magnum Check Engine Light Due to Carbon Buildup on Valves

Dodge Magnum Problem
6 Reports
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Model Years Affected: 2005, 2006

Engines Affected: 2.7L V6, 3.5L V6, 5.7L V8 HEMI

Average Mileage: 162,500 mi (161,000 mi - 164,000 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.

  • Visitor, , 2.7L V6, 161,000 mi

    misfire cylinder 1, we replace coil, plugs and injector. just to find out this was the problem.

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