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 MANUALSFORD2013EXPEDITION EL KING RANCH, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS (EXCEPT DIESEL & HYBRID) - DTC P164A - P2A04, DTC U0046- U300CDTC P2240: O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT OPEN: BANK 2, SENSOR 1
2013 Ford Expedition EL King Ranch, RWD
DTC P2240: O2 Sensor Positive Current Control Circuit Open: Bank 2, Sensor 1
2013 Ford Expedition EL King Ranch, RWDSECTION DTC P2240: O2 Sensor Positive Current Control Circuit Open: Bank 2, Sensor 1
DTC P2240: O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT OPEN: BANK 2, SENSOR 1
| Description: | This DTC sets when the PCM detects a concern 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.