View Single Post
Old 04-08-2020, 10:49 PM   #12
Mouse330
 
Mouse330's Avatar
 
Drives: 2011 2SS, 2006 GMC Sierra
Join Date: Jul 2019
Location: MA
Posts: 262
Quote:
Originally Posted by xXSharkfhinXx View Post
could a P0171 and P0174 be from not properly covering the filter on the factory CAI allowing excess air in ? or is the MAF bad ?
No it would not
Bank 1 and 2 lean
It could be a MAF or a vacuum leak that’s affecting both banks....etc after the MAF
Mouse330 is offline   Reply With Quote