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P0403 Diagnostic Trouble Code Discussion for January 2012

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2007 Ford Crown Victoria 4.6L Stall VIN: 2FAHP71W57
P0403: EVR Control Circuit Malfunction (ESM System). ... 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
2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
P0403: EGR Valve Control Circuit Malfunction. Van is setting an intermitant P0403 EGR contol circuit have check the four coils ohms within specs even hit the valve during test ohm checked the wiring per flow chart No problems were found Does not set the code on every test drive I've been watching for a pe...
January 25, 2012