What does code P1138 mean on Land Rover vehicles?
The downstream oxygen sensor reports a rich condition on bank A.
OBD-II Code Land Rover
P1138 — Land Rover — Oxygen Sensor Indicates Rich Condition (Downstream Bank A)
The downstream oxygen sensor reports a rich condition on bank A.
Common symptoms
- Check engine light
Possible causes
- Faulty post-catalyst oxygen sensor
Initial recommendation
Inspect downstream oxygen sensor.
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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