What does code P1118 mean on BMW vehicles?
The MAF sensor on bank 2 reports a higher than expected signal, causing incorrect airflow calculation.
OBD-II Code BMW
P1118 — BMW — Mass or Volume Air Flow Circuit High Input (Bank 2)
The MAF sensor on bank 2 reports a higher than expected signal, causing incorrect airflow calculation.
Common symptoms
- Erratic acceleration
- unstable engine response
Possible causes
- Short circuit
- faulty MAF sensor
Initial recommendation
Inspect wiring for shorts and replace MAF sensor if necessary.
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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