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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P042E - Exhaust Gas RECIRCULATION (EGR) Control Stuck Open

P042E - Exhaust Gas RECIRCULATION (EGR) Control Stuck Open

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P042E - EXHAUST GAS RECIRCULATION (EGR) CONTROL STUCK OPEN

Description:  When the EGR setpoint is less than a specified threshold, the actual EGR position is greater than a specified threshold, and the EGR control limit is less than a specified limit, this DTC sets.
Possible Causes: 
  • Damaged EGR valve
Diagnostic Aids:  The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power.
This DTC sets when the powertrain control module (PCM) detects a stuck EGR valve by detecting a position control deviation that exceeds a calibrated threshold.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST W .