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P1090 — BMW

P1090 — BMW: Pre-Catalyst Fuel Trim Too Lean Bank 1

Code breakdown

PSystem
Powertrain (engine, transmission, fuel & emissions)
1Type
Manufacturer-specific

Manufacturer-specific meanings (BMW)

  • BMW
    Pre-Catalyst Fuel Trim Too Lean Bank 1
  • Tumble Generator Valve #1 RH Malfunction Stuck Open

Owner experiences (0)