What does code P1086 mean on BMW vehicles?
A rich mixture condition is detected on bank 2 sensor 1.
OBD-II Code BMW
P1086 — BMW — Fuel Control Mixture Rich (Bank 2 Sensor 1)
A rich mixture condition is detected on bank 2 sensor 1.
Common symptoms
- Increased fuel consumption
Possible causes
- Faulty injector
- contaminated oxygen sensor
Initial recommendation
Inspect fuel injection system and oxygen sensor operation.
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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