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Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1228: - WASTEGATE Failed Open (Under Pressure)

DTC P1228: - WASTEGATE Failed Open (Under Pressure)

DTC P1228: - WASTEGATE FAILED OPEN (UNDER PRESSURE)

Description:  Indicates that boost pressure is continuously lower than desired.
Possible Causes: 
  • EGR valve
  • MAF sensor
  • MAP sensor
  • Supercharger bypass actuator stuck open
  • Supercharger
Diagnostic Aids:  This DTC is informational only and it may be accompanied by other DTCs. Diagnose other DTCs first.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to Pinpoint Test KJ .