What does code P1168 mean on Honda vehicles?
The ECU detects a low voltage signal from the primary oxygen sensor.
OBD-II Code Honda
P1168 — Honda — Primary HO2S (No. 1) Low Input
The ECU detects a low voltage signal from the primary oxygen sensor.
Common symptoms
- Incorrect air-fuel mixture
- poor drivability
Possible causes
- Open circuit
- wiring damage
- faulty sensor
Initial recommendation
Inspect O2 sensor wiring and connector for open circuits.
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
Use the app to combine Honda code P1168 with your vehicle's actual symptoms for more complete diagnostic guidance.
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