P1408 Diagnostic Trouble Code Discussion for October 2008
Manifold Absolute Pressure Sensor Signal Performance
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| 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 |
