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HOMESERVICE MANUALSFORD2010FUSION SEL, 2.5 AREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0403: EXHAUST GAS RECIRCULATION (EGR) CONTROL CIRCUIT
2010 Ford Fusion SEL, 2.5 A

DTC P0403: Exhaust Gas RECIRCULATION (EGR) Control Circuit

2010 Ford Fusion SEL, 2.5 ASECTION DTC P0403: Exhaust Gas RECIRCULATION (EGR) Control Circuit
DTC P0403: EXHAUST GAS RECIRCULATION (EGR) CONTROL CIRCUIT

For Vehicles With an Electric EGR (EEGR) 
Description:  The electric EGR (EEGR) system is continuously monitored to check the four EEGR motor coils, circuits, and the powertrain control module (PCM) for opens, shorts to voltage and ground. If a concern is detected, the EEGR system is disabled and additional monitoring is suspended for the remainder of the drive until the next drive cycle.
Possible Causes: 
  • EEGR motor windings open
  • EEGR connector not seated correctly
  • Open circuit in the harness from the PCM to the EEGR
  • Short circuit in the EEGR motor
  • Short circuit in the harness from the PCM to the EEGR
  • PCM
Diagnostic Aids: 
For All Others 
Description:  This test checks the electrical function of the EGR vacuum regulator solenoid. The test fails when the EVR circuit voltage is either too high or too low when compared to the expected voltage range. The EGR system must be enabled for the test to be completed.
Possible Causes: 
  • EVR circuit open
  • EVR circuit short to voltage or ground
  • VPWR open to EGR vacuum regulator solenoid
  • EGR vacuum regulator solenoid
  • PCM
Diagnostic Aids:  The EGR vacuum regulator solenoid resistance is between 26 and 40 ohms.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Crown Victoria,
E-Series,
Explorer 4.0L,
Explorer Sport Trac 4.0L,
F-150 4.6L 2V,
F-Super Duty 6.8L,
Grand Marquis,
Mountaineer 4.0L,
Mustang 4.0L,
Mustang 5.4L,
Town Car		 GO to PINPOINT TEST HH .
Escape/Mariner,
Focus,
Fusion 2.5L,
Fusion 3.0L,
Milan,
Ranger 2.3L,
Transit Connect		 GO to PINPOINT TEST KD .
All others GO to PINPOINT TEST HE .
RENDER: 1.0x

NO RELATED

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