What does code P1101 mean on Audi vehicles?
The oxygen sensor Bank 1 Sensor 1 reports low voltage or an air leak is present.
OBD-II Code Audi
P1101 — Audi — O2 Sensor Circuit Bank 1 Sensor 1 Voltage Too Low / Air Leak
The oxygen sensor Bank 1 Sensor 1 reports low voltage or an air leak is present.
Common symptoms
- Check engine light
- lean mixture
- power loss.
Possible causes
- Vacuum leak or faulty O2 sensor.
Initial recommendation
Check for air leaks and inspect O2 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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