What does code P1085 mean on BMW vehicles?
A lean mixture condition is detected on bank 2 sensor 1.
OBD-II Code BMW
P1085 — BMW — Fuel Control Mixture Lean (Bank 2 Sensor 1)
A lean mixture condition is detected on bank 2 sensor 1.
Common symptoms
- Loss of power
Possible causes
- Vacuum leaks
- faulty oxygen sensor
Initial recommendation
Inspect intake system and test bank 2 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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