lean both banks
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2004 Tahoe LT 5.3 Flex Fuel AWD - Both Banks Lean & Random Misfire
Hey Guys! I’m new here so apologizes if this has been answered previously or if this is some obvious fix. So I just picked up this 04 Tahoe for almost dirt cheap knowing it had some issues but its pretty clean for a Michigan car and I’ve always wanted one of these so I said screw it, its...- dat_boy_greedo
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- awd catalytic converter fuel fuel pump lean lean both banks maf misfire random misfire
- Replies: 20
- Forum: Engine & Drivetrain
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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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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...- ross reynolds
- Thread
- lean both banks
- Replies: 14
- Forum: Engine & Drivetrain
