MAF readings

Crankor

Member
Car
10 FX35 AWD
has anyone here ever checked their MAF readings on a scan tool? I got a new one and for kicks went through a few things and thought it was interesting that mine were reading quite different. I'm not sure which is considered sensor A and B but A was reading 16 lbh and B was at 21. Not sure if thats normal or if i have an intake leak maybe? I don't have any codes for those sensors but i do have a catalytic efficiency code (that ive been waiting for the weather to warm up before i fix) but i doubt those would be related? Would anyone know maybe which side is A and which is B?
 
I know Bank 2 refers to Drivers side. Bank A or B might refer to the same thing, B being 2. Wont hurt to swap one or the other clear the code and see if it persists. Some people talk about a relearn process etc. Im not too sure if it's necessary but ill put miles on mine and see if it comes back up.
 
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