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P1405 Diagnostic Trouble Code Discussion for July 2005

DPFE Sensor Upstream Hose Off or Plugged

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Trouble Ticket Help Requests for DTC P1405
Help Request Posted
2002 Ford E-250 Econoline 4.2L MIL Lamp on VIN: 1FTNS24262
P1405: DPFE upstream sensor hose off or plugged. ... keeps setting code P1405 DPFE sensor hose off or plugged. The hose is intact and not plugged. We started by testing the DPFE and it was not responding, replaced the sensor, cleared the codes and sent it out. Came back, same code. Checked DPFE tubes-ran wir...
July 19, 2005