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P0406 Diagnostic Trouble Code Discussion for January 2012

EGR Position Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0406
Help Request Posted
2005 Dodge Caravan SXT 3.3L Hesitation, Surge, MIL Lamp on VIN: 1D4GP25R95
P0406: EGR Position Sensor Circuit High Voltage. ... intermitant EGR code P0 406 .We have seen a few of these and a new egr valve has always fixed it. Well we installed a new one [from dodge ] twice and the code is still coming back . Sometimes the code will come back right away and sometimes it takes a day....
January 12, 2012
2007 Ford Crown Victoria 4.6L Stall VIN: 2FAHP71W57
P0406: Differential Pressure Feedback EGR Sensor Circuit High. ... too,Only done it at idle and will set codes or show faults on MAF( EGR( EVAP PURGE( ALL 4 o2 HEATER CIRCUITS( Best I can figure is either a short to V some place and we have inspected all the sensors, the splices even the one on top of the trans, inspected...
January 18, 2012