Am doing this from memory so the exact verbiage will be off but the gist is:

PO101 - Mass or Vol air, out of range
PO170 - Fuel Trim Malfunction bank 1

I think I would try cleaning the MAF with a spray cleaner made for that purpose first.

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)