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 1182 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID))DTC DIAGNOSISDTC P0159: O2 CIRCUIT SLOW RESPONSE (BANK 2, SENSOR 2)
2007 Ford Fusion SEL, 2.3 Z, Standard
DTC P0159: O2 Circuit Slow Response (Bank 2, Sensor 2)
2007 Ford Fusion SEL, 2.3 Z, StandardSECTION DTC P0159: O2 Circuit Slow Response (Bank 2, Sensor 2)
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0159: O2 CIRCUIT SLOW RESPONSE (BANK 2, SENSOR 2)
| Description: | See the description for DTC P0139 . | ||
| Possible Causes: | See the possible causes for DTC P0139 . | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P0139 . | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to PINPOINT TEST DW . |
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.