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IAT Always Reads 32°
Earlier this year, I solved a cold start issue with my 2008 Yukon XL (5.3 LMG) by replacing my ECT sensor. I discovered a few other issues along the way to that fix and one of those issues is that my intake air temperature consistently reads 32°, regardless of environmental conditions or engine...- CruelJung
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- 5.3 gmt900 iat sensor maf
- Replies: 1
- 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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2008 5.3 Engine Oil/Filter + Octane Rating
I drive a 2008 Yukon XL, 5.3 1500 Flex Fuel. The vehicle has 170,000+ miles on it and the AFM/DOD is both mechanically and electronically deleted. I am interested in doing my own oil changes and would like to know what oil and filter brands are most ideal for engine health and longevity. From...- CruelJung
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- 1500 5.3 amsoil octane oil oil filter wix
- Replies: 31
- Forum: Engine & Drivetrain
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Upholstering SLT Door Panels To Match Denali Trim
I'm new to this site, though I have been visiting throughout the past year or so while repairing and upgrading my '08 Yukon XL SLT. Some brief background info: I have essentially re-designed my SLT as a Denali in appearance on the exterior and interior; last step (most likely) on the outside is...
