Iowa Chapter Director
Join Date: Jul 2002
Location: Ames, Iowa
I've never seen a dirty maf sensor throw codes before but it's worth a try to clean it, since it's free and all. If that doesn't work, unplug the maf and see if it runs better than it is right now. If it runs better with the maf unplugged, then it's time to replace it.
1988 Notch Mustang: - 438W, direct port n2o, t56
2003 SVT Focus: - SCT X3 tuner