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.
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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 737 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) - DTC P2096 - PXXXX, DTC U0046 - UXXXX)DTC P2240 - O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT/OPEN (BANK 2 SENSOR 1)
2021 Ford Edge SE, 4WD
DTC P2240 - O2 Sensor Positive Current Control Circuit/Open (Bank 2 Sensor 1)
2021 Ford Edge SE, 4WDSECTION DTC P2240 - O2 Sensor Positive Current Control Circuit/Open (Bank 2 Sensor 1)
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P2240 - O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT/OPEN (BANK 2 SENSOR 1)
| Description: This DTC sets when a concern is detected with the circuit used to determine the oxygen content in the exhaust gas. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DZ . | ||
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.