I have a 2011 SV with 170,000 miles with a permanent P0101 error. This is after a new MAF, ECM and Turbo. Help please. The tags are expired and it won't pass smog.
Check all of your intake piping and clamps. Could be a cracked hose too or a stuck PCV valve. Anywhere there is a boost or vacuum leak could be causing the MAF error code. Very rarely is a P0101 due to a faulty MAF.
You can spray brake clean slowly over clamped intake hoses etc and if they are post Turbo / Going to the intake tract.. You should hear an RPM change meaning air is getting sucked in.