p0174

  1. H

    P0174

    I have a 2005 Yukon XL with the 5.3. Today I got a code for P0174, or fuel trim lean bank 2. I was wondering how I possibly had a vacuum leak when I’ve checked this engine and worked on it up and down since I bought the car in September, but I remembered reading how the MAF sensor is a common...
  2. A

    2001 GMC Yukon SLT 5.3L getting P0171, P0174, P0300

    Hello, first time posting. My brother in-laws Yukon started getting the P0171 and P0174 codes the other day so we cleaned the MAF sensor and the throttle body as well as replaced the engine air filter but the codes came back (he cleared them). Then he got the P0300 code soon after. The car runs...
  3. G

    P0174 and P0171 Both Sides Running Lean

    I have a 2006 Denali with the 6.0 LQ9. Roughly 245k on the clock, but it has been maintained and taken care of very very well. These two codes have persisted, but the truck doesn't respond like its running lean. throttle response is normal, power is normal, idle is normal, fuel mileage doesn't...
  4. CruelJung

    Rough Idle @ Cold Crank (Worse in Cold Weather) + Fluctuating RPM in Drive

    I have seen other posts about similar issues to what I'm experiencing, but I haven't been able to glean any solutions from them as of yet. However, I've been doing what I can and collecting information over the past month, so hopefully the process of elimination has a head-start. Issue In...
    • CruelJung
    • Thread
    • cold start cold weather diablo predator 2 p0171 p0174 p0300 rough idle
    • Replies: 23
    • Forum: Engine & Drivetrain
  5. C

    P0102 p0113 p0304

    Hi everyone im new on here i have a misfire on cyl 4 have not been able find, i replaced the air filter to a cold air intake setup as well with new MAF sensor was ok had p0171 p0174 did not pick up on my obd scanner only on my plugin from tmobile so i did not worry to much, a week or so after...

Forum statistics

Threads
132,152
Posts
1,863,167
Members
96,652
Latest member
subhoeban

Latest posts

Top