P1150 – Ford DTC

Ford DTC P1150 – Lack of Upstream Heated Oxygen Sensor Switch – Adaptive Fuel Limit – Bank No. 2

DTC P1150 meaning on Ford

1. DTC P1150 indicates a lack of switching for the upstream heated oxygen sensor on Bank No. 2 in a Ford vehicle.
2. This code is triggered when the adaptive fuel limit in the engine control module (ECM) is reached due to a problem with the oxygen sensor’s ability to switch between rich and lean air-fuel mixtures.

Ford DTC P1150 symptoms

• Check Engine Light (CEL) illuminated on the dashboard.
• Poor fuel economy.
• Engine may run rough or hesitate during acceleration.

Ford DTC P1150 causes

• Failed upstream heated oxygen sensor on Bank No. 2.
• Wiring or connector issues related to the oxygen sensor.
• Exhaust leaks near the oxygen sensor.
• Issues with the ECM or engine control system.

Ford DTC P1150 seriousness

1. While the vehicle may still be operable with this code, it can lead to decreased fuel efficiency and potential drivability issues.
2. Continued driving with a malfunctioning oxygen sensor can cause damage to the catalytic converter over time.

How to diagnose DTC P1150 on Ford

1. Use a scan tool to retrieve the DTC P1150 code and any related codes.
2. Inspect the wiring and connectors leading to the upstream heated oxygen sensor on Bank No. 2 for any damage or corrosion.
3. Check for exhaust leaks near the oxygen sensor that could be affecting its operation.
4. Test the oxygen sensor’s functionality using a multimeter or diagnostic tool.

How to fix DTC P1150 on Ford

1. Replace the upstream heated oxygen sensor on Bank No. 2 if it is found to be faulty.
2. Repair any damaged wiring or connectors leading to the oxygen sensor.
3. Address any exhaust leaks near the sensor.
4. If the issue persists, further diagnosis of the ECM or engine control system may be necessary.

How to erase DTC P1150 on Ford

1. After making the necessary repairs, use a scan tool to clear the DTC P1150 code from the ECM’s memory.
2. Ensure that the repair has resolved the underlying issue causing the code before clearing it.

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