BMW Fault Code 2cfb Throttle Adjustment Value

What you want to ask is what is the reason of BMW fault code 2cfb? Throttle or oxygen sensor fault.

1. When there is a fault code of 2cfb in the car, the first thing to consider is the fault of the throttle or the front and rear oxygen sensors of the car. Check the throttle first, most of the time it's the fault of the throttle.

2. Secondly, check the oxygen sensor. If more gas enters, the mixed gas will be too dilute. When the front and rear oxygen sensors fail, the mixture will be too lean.