P1084 BMW -

Question

in code p1084 bmw have write " bank 1 sensor 1", I dont know it, can you explain for me, please. thank so much !

Answer 1

P1084 Fuel control mixture rich Bank 1 sensor 1

Rich fuel mixture are from either a faulty MAF (mass air flow) leaky fuel injector or mechanical condition. How is the idle quality? Check for other code condition that may be stored in the DME.