handheld tuner

[crzhoss]

hi new here I have a 2008 gmc Yukon slt had since 14000 miles now has 132000 love the truck but recently became concerned with the afm or dod I have no issues but would like to tune it out before I have any looking for help on this thanks

 

[14SWTahoe]

hi new here I have a 2008 gmc Yukon slt had since 14000 miles now has 132000 love the truck but recently became concerned with the afm or dod I have no issues but would like to tune it out before I have any looking for help on this thanks

http://store.blackbearperformance.com/EFILive-AutoCal-Tuning-System_p_8.html

Love their tune!

 

[crzhoss]

just sent them a email thanks