This is my wifes vehicle.
She is reporting rough idle and maybe stalling?

She originally told me about the P0171 P0174 codes.
Then when I used my scanner, I see all four of the above codes.
So maybe they were thrown at two different times?

What do you all think about this?

Thanks for reading.
groundhogy

 

P015A - O2 sensor Delayed Response - Rich to Lean Bank 1 Sensor 1
P015C - O2 sensor Delayed Response - Rich to Lean Bank 2 Sensor 1
P0171 - System too lean Bank 1
P0171 - System too lean Bank 2