What does code P1331 mean on Audi vehicles?
The knock control limit has been reached for cylinder 7.
OBD-II Code Audi
P1331 — Audi — Cylinder 7 Knock Control Limit Attained
The knock control limit has been reached for cylinder 7.
Common symptoms
- Reduced engine performance.
Possible causes
- Engine detonation.
Initial recommendation
Inspect fuel quality.
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 P1331 with your vehicle's actual symptoms for more complete diagnostic guidance.
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