Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P2031 - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 2
2021 Ford Edge SE, 4WDSECTION DTC P2031 - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 2
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P2031 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT BANK 1 SENSOR 2
| Description: | The PCM monitors the operation of the exhaust gas temperature bank 1, sensor 2 (EGT12) to determine if the EGT12 sensor responds to the increase in temperature of the exhaust gas, during vehicle operation. The PCM then compares the measured temperature to a modeled value. This DTC sets when, after 5 minutes of driving, following a 6 hour soak, the EGT12 sensor temperature does not correlate to the modeled temperature of 150°C (302° F). | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the EGT12 PID between ignition ON, engine OFF and ignition ON, engine running for an indication of a concern. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RC . | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.