6.0-liter engine
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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...- Gstepha0
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- 6.0-liter engine denali lean both banks p0171 p0174
- Replies: 2
- Forum: Engine & Drivetrain
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2006 Yukon Denali Misfiring?
What's up!? I'm hoping someone here can shed some light, or have an idea as to what the heck is going on with my '06 Yukon. I first noticed this issue a couple months ago -- after a cold start. It kinda does this thing that I like to describe as stuttering, but it still runs well once it gets...- loveav8
- Thread
- 6.0-liter engine
- Replies: 0
- Forum: Performance
