OBD-II Code BMW

P1190 — BMW — Pre-Catalyst Fuel Trim System Bank 1 Out of Range

The pre-catalyst fuel trim for Bank 1 is outside normal correction limits, indicating improper air-fuel mixture control.

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

What does code P1190 mean on BMW vehicles?

The pre-catalyst fuel trim for Bank 1 is outside normal correction limits, indicating improper air-fuel mixture control.

Common symptoms

  • Loss of power
  • hesitation

Possible causes

  • Faulty MAF sensor
  • intake air leaks
  • unmetered air entering engine

Initial recommendation

Inspect MAF sensor, intake hoses, and air intake system for leaks.

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 BMW code P1190 with your vehicle's actual symptoms for more complete diagnostic guidance.

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