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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1791 (Engine Controls - Diagnostic Subroutines -- Diesel 6.0L (99P E-Series & 99P F450/550)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0478 - Exhaust Pressure Control Valve High

P0478 - Exhaust Pressure Control Valve High

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P0478 - EXHAUST PRESSURE CONTROL VALVE HIGH

Description:   
Possible Causes: 
  • Variable geometry turbocharger (VGT) vanes sticking
  • EP sensor
  • VGT actuator
  • Unable to achieve desired exhaust pressure
Diagnostic Aids:   
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST KA .
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