lean both banks

  1. 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...
  2. R

    Lean both banks w/ no apparent air leaks

    Let me start by apologizing for asking about a Silverado, but I am stuck. 2007.5 Silverado LTZ Crew Cab 5.3 NNBS (GMT900) Lean both banks, no external air leaks found and averaging 25% fuel trim on each bank. I’m Ross and I’m a parts changer. (Hi Ross!!!) I’m ashamed for not figuring this...

Forum statistics

Threads
133,756
Posts
1,890,527
Members
99,029
Latest member
h0m3w3CkeR
Top