OBD-II Code Audi

P1190 — Audi — Linear O2 Sensor Reference Voltage Incorrect Signal

An incorrect reference voltage signal has been detected from the linear oxygen sensor.

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

What does code P1190 mean on Audi vehicles?

An incorrect reference voltage signal has been detected from the linear oxygen sensor.

Common symptoms

  • Irregular engine performance.

Possible causes

  • Faulty linear O2 sensor.

Initial recommendation

Diagnose linear 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

Use the app to combine Audi code P1190 with your vehicle's actual symptoms for more complete diagnostic guidance.

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