Jun 23, 2015 #1 G gray1622 forum member Joined Apr 7, 2009 Posts 530 Reaction score 0 Location Norman, OK. I think my hpx maf is bad. I am going to order a hpx e since it is the same price. Will I need a tune up date?
I think my hpx maf is bad. I am going to order a hpx e since it is the same price. Will I need a tune up date?
Jun 23, 2015 #2 JeremyH 3V Fuel Guru S197 Team Member Joined Jan 10, 2009 Posts 20,857 Reaction score 197 Location Virginia Beach Yes you will need to rescale the maf table, it is a 30% difference.