What does code P1171 mean on Land Rover vehicles?
The oxygen sensor system reports a lean condition on both banks.
OBD-II Code Land Rover
P1171 — Land Rover — Oxygen Sensor System Too Lean (Banks A & B)
The oxygen sensor system reports a lean condition on both banks.
Common symptoms
- Loss of power
Possible causes
- Vacuum leaks
- faulty MAF
Initial recommendation
Inspect intake system and MAF 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
Use the app to combine Land Rover code P1171 with your vehicle's actual symptoms for more complete diagnostic guidance.
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