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    Lots of confusion with my EVAP CEL code

    So im throwing a CEL and it is P0455, im sure you guys have read about this on here or experienced it yourselves. But I did some research on here and on google on this code. I have an 03 Yukon SLT with flex fuel Its the large leak code. I replaced my purge valve solenoid on the intake...
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    Swapping out DRL bulbs

    I thought I read somewhere on here or another place to not bother switching out the little DRL bulbs under the headlights with LED's because they will not work. Is that true? If not, which LED part #bulbs can I switch them out with? I'd like white to match my HID's Thanks
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    How do I know if I have......

    Autoride and Tire pressure sensors? 03 Yukon SLT 4X4 Reason I ask is all 4 of my tires were down to like 25 psi and I had no notification on my dash. The constant buzzing when I get in the truck after a while, is that my air pressure from the autoride? Sorry for the noob...
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    Headlight mounting brackets

    So this may be a silly question, but are the headlight brackets on the back of the lights the same between regular Yukon and Yukon denali headlights? Just making sure because of the projectors on the back of the denali HL's I want to buy some denali headlights but both mounting brackets...
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    Interchangeable OEM wheels

    Hey guys, im looking to upgrade my 03 16" chrome wheels to some OEM 20" Sierra, Yukon, or Denali chrome rims. Now im talking about the newer of the models. But I keep finding those bolt patterns are 139.9 or something like that, and my 03 slt is 5.5. I think??? Anyway, which OEM wheels would...
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    Exhaust tips

    Hey, without buying a complete exhaust system where is a good place to get some chrome or polished tips at for my 03 Yukon? Please don't direct me to autozone or Pep Boys lol. I only want quality stuff. Where do you guys shop for things like that? Thanks for any help.
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    Puddle lights, when do they come on?

    The puddle lights on the mirrors on my 03 Yukon SLT have only came on once. I just got the truck and im wondering how and when they come on. Ive turned on parking lights, headlights, and have yet to see them again. Im looking to put some LED's in them. Thanks for any info.
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    Tech info needed 03 Yukon SLT

    Hey guys, im a noob to these trucks. I have a 5.3l 4x4 YUKON. Basically I always do my own oil changes but have always had 4 cylinders. How much oil is needed for an oil change for these 5.3's? I just bought the truck and have yet to research on my own, I figured this would be a good...
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    New guy from OHIO!

    Whats up, just introducing myself. I said I wouldn't join another forum but I like this place so far, so why not? Im David from Columbus Ohio. My hobby/play toy is a 97 turbocharged cavalier with 328hp. I sold my other cavalier to purchase a tow vehicle for my 97. I just purchased an 03 Yukon...

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