p0171
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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...- arkhamfallout
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- 2001 yukon p0171 p0174 p0300
- Replies: 1
- 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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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
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- cold start cold weather diablo predator 2 p0171 p0174 p0300 rough idle
- Replies: 23
- Forum: Engine & Drivetrain
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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...- Chivo_tahoe
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- 2010 cyl4 cylinder4 misfire p0102 p0113 p0171 p0174 p0304 tahoe
- Replies: 4
- Forum: Engine & Drivetrain
