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P1409 Diagnostic Trouble Code Discussion for June 2007

EGR Valve (Stepper Motor) Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1409
Help Request Posted
1998 Ford Expedition Eddie Bauer 5.4L MIL Lamp on VIN: 1FMPU18L8W
P1409: EVR Control Circuit Fault. Hello all, This expedition came in with check engine light on.No driveability complaint.After scanning,I checked the signal wire for the IAT at the connecter on the sensor and found none.I checked for resistance and found an open circuit from the PCM to the IA...
June 13, 2007