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 MANUALSFORD2009PICKUP F350 SUPER DUTY, 2D PICKUP, 6.8 Y, 4WD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0155: - O2 HEATER CIRCUIT (BANK 2, SENSOR 1)
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, 4WD, Standard
DTC P0155: - O2 Heater Circuit (Bank 2, Sensor 1)
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, 4WD, StandardSECTION DTC P0155: - O2 Heater Circuit (Bank 2, Sensor 1)
DTC P0155: - O2 HEATER CIRCUIT (BANK 2, SENSOR 1)
| Description: | See the description for DTC P0135. | ||
| Possible Causes: | See the possible causes for DTC P0135. | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P0135. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| E-Series 4.6L, E-Series 5.4L, Expedition, F-150, Flex, MKS, Navigator, Sable PZEV, Taurus PZEV, Taurus X PZEV |
GO to Pinpoint Test DZ . | ||
| All others | 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.