OBD-II Code Audi

P1112 — Audi — O2 Control System Too Rich (Bank 1)

The air-fuel mixture on Bank 1 is operating too rich.

Brand Audi
System Emissions System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1112 mean on Audi vehicles?

The air-fuel mixture on Bank 1 is operating too rich.

Common symptoms

  • High fuel consumption
  • black smoke.

Possible causes

  • Faulty injectors or O2 sensor.

Initial recommendation

Diagnose air-fuel mixture and sensors.

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 Audi code P1112 with your vehicle's actual symptoms for more complete diagnostic guidance.

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