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Mercury
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2009
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Milan AWD V6-3.0L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Diagnostic Trouble Code Descriptions
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P Codes
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P0400
P0400
Note:
Refer to the applicable vehicle system to diagnose the body and chassis DTCs.
P0400 - Exhaust Gas Recirculation (EGR) Flow:
