My 2016 CX-9 started to rev up and down when parked and idling. DTC code is P0171 "System Too Lean".
When in Drive, I can feel it a bit staggering and the RMP dial "dancing" when stopped.
I think it is the Mass Air Flow Sensor, but I am not sure.
Any help is greatly appreciated.
Link to YouTube video: https://youtu.be/DODJAZs0Qbc
When in Drive, I can feel it a bit staggering and the RMP dial "dancing" when stopped.
I think it is the Mass Air Flow Sensor, but I am not sure.
Any help is greatly appreciated.
Link to YouTube video: https://youtu.be/DODJAZs0Qbc