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 MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 983 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS (EXCEPT DIESEL & HYBRID))DTC DIAGNOSISP2274 - O2 SENSOR SIGNAL STUCK LEAN - BANK 1, SENSOR 3
2007 Ford Fusion SEL, 2.3 Z, Standard
P2274 - O2 Sensor Signal Stuck Lean - Bank 1, Sensor 3
2007 Ford Fusion SEL, 2.3 Z, StandardSECTION P2274 - O2 Sensor Signal Stuck Lean - Bank 1, Sensor 3
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P2274 - O2 SENSOR SIGNAL STUCK LEAN - BANK 1, SENSOR 3
| Description: | See the description for DTC P2270. | |||
| Possible Causes: | See the possible causes for DTC P2270. | |||
| Diagnostic Aids: | ||||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | - | refer to PINPOINT TEST H . | refer to PINPOINT TEST H . | |
RENDER: 1.0x
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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.