DTC P042E - EGR A Control Stuck Open
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P042E - EGR A CONTROL STUCK OPEN
| Description: | This DTC sets 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. | ||
| Possible Causes: |
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| 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. This DTC sets when the PCM detects a stuck EGR valve by detecting a position control deviation that exceeds a calibrated threshold. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST W . | ||