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.
SYS.OK|MANUAL.DB● LIVE
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 P013B - O2 SENSOR SLOW RESPONSE - LEAN TO RICH (BANK 1 SENSOR 2)
2018 Ford Fusion Platinum Hybrid
DTC P013B - O2 Sensor Slow Response - Lean To Rich (Bank 1 Sensor 2)
2018 Ford Fusion Platinum HybridSECTION DTC P013B - O2 Sensor Slow Response - Lean To Rich (Bank 1 Sensor 2)
WARNING: This page is about a different variant/trim than selected.
P013B - O2 SENSOR SLOW RESPONSE - LEAN TO RICH (BANK 1 SENSOR 2)
| Description: | During a deceleration fuel shut-off (DFSO) event, the PCM monitors how quickly the heated oxygen sensor bank 1, sensor 2 (HO2S12) switches from lean to rich. The measured rate of the lean to rich switch is compared to a calibrated fault threshold value. The measured rate of the lean to rich switch is compared to a calibrated fault threshold value. This DTC sets when the measured value is slower than the threshold value. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | 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
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.