1. Welcome To GMTruckClub.com!

    The #1 Chevy Truck Forum Online
    Online since 2004, we are the #1 Chevy Truck & SUV forum and user community. If you have any questions about your Chevy or GMC Truck, SUV or Crossover, or just want to connect with other GM owners and enthusiasts around the world, you've found the best place on the internet to do that.

    Join Today ~ It's Free
    Registering is Free and Easy! Hope to see you on the forums soon!

03 Tahoe fault code P0174

Discussion in 'General Chevy & GM Tech Questions' started by duffy, Jan 14, 2012.

  1. duffy

    duffy New Member

    What is the best way to fix a lean mixture in bank 2?
  2. dipstick

    dipstick New Member

    First thing clean the maf sensor.. if you have a oil type filter will mess maf up.
    Somewhere your getting more air than fuel. Check all down steam of maf is tight.
  3. sstoner911

    sstoner911 New Member 1000 Posts

    X2......the only other thing would be a vacuum leak downstream from the MAF. Be sure you get MAF cleaner....most auto part stores carry it.

Share This Page