P1167 – Honda DTC

Honda DTC P1167 – Primary HO2S (No. 1) Heater System

DTC P1167 meaning on Honda

1. DTC P1167 stands for Primary HO2S (No. 1) Heater System on a Honda vehicle.
2. This diagnostic trouble code indicates an issue with the heating element circuit of the primary oxygen sensor (HO2S) located before the catalytic converter.

Honda DTC P1167 symptoms

• Check Engine Light (CEL) illuminated on the dashboard.
• Decreased fuel efficiency.
• Possible rough idling or engine misfires.

Honda DTC P1167 causes

• Failed primary oxygen sensor (HO2S).
• Wiring or connector issues in the heater circuit of the sensor.
• Blown fuse related to the oxygen sensor heater circuit.

Honda DTC P1167 seriousness

1. While the vehicle may still be operable with this code, it can lead to increased emissions and potential damage to the catalytic converter over time.
2. It is recommended to address this issue promptly to maintain optimal engine performance and emissions control.

How to diagnose DTC P1167 on Honda

1. Use an OBD-II scanner to retrieve the specific trouble code and freeze frame data.
2. Inspect the primary oxygen sensor (HO2S) and its wiring for any visible damage or corrosion.
3. Check the fuse related to the oxygen sensor heater circuit for continuity.

How to fix DTC P1167 on Honda

1. Replace the primary oxygen sensor (HO2S) if it is found to be faulty.
2. Repair any damaged wiring or connectors in the sensor’s heater circuit.
3. If a blown fuse is detected, replace it with the appropriate amperage fuse.

How to erase DTC P1167 on Honda

1. After addressing the root cause of the issue, use an OBD-II scanner to clear the trouble code from the vehicle’s computer.
2. Ensure that the repair has been successful by monitoring the vehicle for any recurring Check Engine Light indications.