What does code P1167 mean on Honda vehicles?
The ECU detects a malfunction in the heater system of the primary oxygen sensor.
OBD-II Code Honda
P1167 — Honda — Primary HO2S (No. 1) Heater System
The ECU detects a malfunction in the heater system of the primary oxygen sensor.
Common symptoms
- Increased emissions
- delayed closed-loop operation
Possible causes
- Faulty oxygen sensor heater
Initial recommendation
Replace primary oxygen sensor to restore heater function.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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