Car Problem Reports

Mercury Milan Hybrid Check Engine Light With Code P0400

Mercury Milan Hybrid Problem
1 Report
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Model Year Affected: 2010


The Check Engine Light may illuminate with code P0400 stored for an exhaust gas recirculation (EGR) fault. Our technicians tell us if no EGR system faults are noted, updated powertrain control module (PCM) is available which should correct this issue.

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