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P1408 Diagnostic Trouble Code Discussion for October 2008

Manifold Absolute Pressure Sensor Signal Performance

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Trouble Ticket Help Requests for DTC P1408
Help Request Posted
1998 Ford Windstar 3.0L 3.0L MIL Lamp on VIN: 2FMZA51U8W
P1408: egr system. I retired from Snap-On in June of 2002 so a little rusty. The voltage for the DPFE remains at .65v at idel at 1500RPM with EGR reading 33%, and a vacume gauge in line reads 0" of vac. I tested the DPFE by aplying vacume to small downstream port of DPFE and...
October 20, 2008