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P0401 Diagnostic Trouble Code Discussion for July 2014

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2005 Ford Freestar Limited 4.2L MIL Lamp on VIN: 2FMDA582X5
P0401: Insufficient EGR Flow Detected (ESM System). This vehicle came in dying and not starting and doing all kinds of strange driveability concerns. Our process revealed a water damaged PCM and connector. Initially the only thing we could get approved was a PCM and a little to repair/clean connections. The PCM...
July 29, 2014