Thread: P0171 and P0174 on 2005 X3
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  #6  
Old 01-11-2021, 12:47 PM
c-bass c-bass is offline
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Quote:
Originally Posted by Fandu View Post
Forgot to update:


Replaced O2 sensors but that didn't help.

Ended up getting a new MAF and it resolved my issues.
Thanks for the update
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