What does code P1167 mean on Hyundai vehicles?
The ECU detects that the control limit has been reached for the upstream oxygen sensor on Bank 2.
OBD-II Code Hyundai
P1167 — Hyundai — Heated Oxygen Sensor (HO2S) 1 Bank 2 Control Limit Reached
The ECU detects that the control limit has been reached for the upstream oxygen sensor on Bank 2.
Common symptoms
- Check engine light illuminated
Possible causes
- Aged oxygen sensor
- mixture imbalance
Initial recommendation
Inspect oxygen sensor performance and verify fuel trim values.
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.
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