LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P0571 - P1674 >> DTC P1228: WASTEGATE Failed Open (Under Pressure)

DTC P1228: WASTEGATE Failed Open (Under Pressure)

P1228 - WASTEGATE FAILED OPEN (UNDER PRESSURE)

Description:  Indicates that boost pressure is continuously lower than desired.
Possible Causes: 
  • Exhaust gas recirculation (EGR) valve
  • Mass airflow (MAF) sensor
  • Manifold absolute pressure (MAP) sensor
  • Supercharger bypass actuator stuck open
  • Supercharger
Diagnostic Aids:  This DTC is informational only and 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 .
scientia non olet · About LEMON Manuals