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 MANUALSFORD2018FUSION PLATINUM HYBRIDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P013C - O2 SENSOR SLOW RESPONSE - RICH TO LEAN (BANK 2 SENSOR 2)
2018 Ford Fusion Platinum Hybrid
DTC P013C - O2 Sensor Slow Response - Rich To Lean (Bank 2 Sensor 2)
2018 Ford Fusion Platinum HybridSECTION DTC P013C - O2 Sensor Slow Response - Rich To Lean (Bank 2 Sensor 2)
WARNING: This page is about a different variant/trim than selected.
P013C - O2 SENSOR SLOW RESPONSE - RICH TO LEAN (BANK 2 SENSOR 2)
| Description: | The heated oxygen sensor monitor measures the response rate of the rear heated oxygen sensor (HO2S) to a rich to lean transition. This DTC sets when the measured response rate is slower than the threshold value. | ||
| Possible Causes: |
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| Diagnostic Aids: | This monitor is highly sensitive to exhaust leaks near the rear HO2S. Check for leaks in the exhaust system. | ||
| 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.