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2011 Oil Consumption

653 views 7 replies 5 participants last post by  IowanChevy13 
#1 ·
Im thinking of downgrading from my 2014 to a 2011 %.3 with 83,000 miles. I had a 2007 Sierra 5.3 that gulped oil from day 1 and finally started smoking horribly on start up. A local mechanic said GM fixed these issues after 2010. Is this the case? Or should I avoid 2007-2013 altogether?
 
#4 ·
My '13 has been perfect from day one. A friends unmodified '10 with 110k has had zero issues as well. The oil burners are rarer after '10, but sometimes still happens.
 
#8 ·
2013sierrasle said:
You've heard correctly
Agree, heard first hand/and on forums shutting of AFM helps. I ordered the Range which is basically just an OBD2 plug that turns off AFM. If you have mods or plan to mod a Lew tune would be the way to go but as of right now my trucks stock and will be for awhile so I went the cost friendly route with the Range.
 
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