DTC P02EC: Diesel Intake Airflow Control System: High Air Flow Detected

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

DTC P02EC: DIESEL INTAKE AIRFLOW CONTROL SYSTEM: HIGH AIR FLOW DETECTED

Description:	This DTC sets when the desired mass airflow versus the actual mass airflow measured from the mass airflow (MAF) sensor is outside a calibrated limit.
Possible Causes:	Aftermarket intake air system Aftermarket exhaust system Intake air system restriction Exhaust system restriction Turbocharger system concern Damaged intake throttle actuator Damaged mass airflow/intake air temperature (MAF/IAT) sensor
Diagnostic Aids:	The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. Diagnose all other powertrain related DTCs first.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST J .