OBD-II Code Audi

P1127 — Audi — Long Term Fuel Trim Multiplicative Bank 1 System Too Rich

A persistent rich mixture condition has been detected on Bank 1.

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

What does code P1127 mean on Audi vehicles?

A persistent rich mixture condition has been detected on Bank 1.

Common symptoms

  • Check engine light illuminated.

Possible causes

  • Faulty sensors or fuel system issues.

Initial recommendation

Diagnose engine sensors and fuel system.

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 P1127 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands