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 MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0141: - O2 HEATER CIRCUIT (BANK 1, SENSOR 2)
2009 Ford Fusion SEL, 3.0 1, FWD
DTC P0141: - O2 Heater Circuit (Bank 1, Sensor 2)
2009 Ford Fusion SEL, 3.0 1, FWDSECTION DTC P0141: - O2 Heater Circuit (Bank 1, Sensor 2)
DTC P0141: - O2 HEATER CIRCUIT (BANK 1, SENSOR 2)
| Description: | See the description for DTC P0135. | ||
| Possible Causes: | See the possible causes for DTC P0135. | ||
| Diagnostic Aids: | Check the HO2S electrical connector for damage, corrosion, and water intrusion. Damaged HO2S heater. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DW . | ||
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.