GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 2 of 2
  1. #1

    Default 98 GMC Suburban throwing PO174

    System to lean (bank 2). Any ideas what maybe causing this?

  2. #2

    Default

    Could be a bad o2 sensor giving poor readings. Does it run smooth? When was the last tune up?

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

Similar Threads

  1. 20" rims on '03 Suburban throwing off performance
    By dnoraker in forum Chevy Truck Talk & News
    Replies: 24
    Last Post: 07-26-2012, 06:37 PM
  2. Throwing $$$ at a rough idle
    By Veritas in forum GM Powertrain
    Replies: 8
    Last Post: 12-31-2011, 12:39 PM
  3. po171 and po174
    By dshewy14 in forum General Chevy & GM Tech Questions
    Replies: 6
    Last Post: 01-01-2011, 11:29 PM
  4. My '87 GMC is throwing a code
    By MD4x4 Fireman in forum General Chevy & GM Tech Questions
    Replies: 7
    Last Post: 12-22-2008, 03:27 AM
  5. My Cavalier is throwing P0440
    By Steve in forum General Chevy & GM Tech Questions
    Replies: 4
    Last Post: 03-01-2008, 06:36 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •