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P1401 Diagnostic Trouble Code Discussion for June 2007

EGR Temperature Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1401
Help Request Posted
2000 Ford Ranger XL 2.5L MIL Lamp on VIN: 1FTYR10C5Y
P1401: high signal voltage for dpfe. retreived trouble code p1401. upon opening hood found open signal wire at dpfe sensor connector. repaired wire, cleared codes, code p1401 returned. found 5v reference at both signal return wire and reference wire. verified ground was good. disconnected ecm and...
June 22, 2007