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  1. I

    rear over head vents for back seat not working

    it’s a 2004 gmc yukon and after doing some further looking it only blows out the floor vents for the third row it doesn’t blow out the roof vents at all for the second or third row even when it’s set to blow out the top. also the rear a/c doesn’t get cold idk if there due to the same issue or not
  2. I

    rear over head vents for back seat not working

    my bad it’s a 2004 gmc yukon. and no the read headliner ones second row and third row. don’t work at all. just coming out the floor vents. also my rear a/c doesn’t get cold at all.
  3. I

    rear over head vents for back seat not working

    i don’t feel it coming out the lower vents for the rear seat it’s only blowing out the third row vents
  4. I

    rear over head vents for back seat not working

    hey yall question for everyone i’m trying to figure out why my rear vents for the back seat doesn’t work if i turn on the rear hvac system you can hear it blowing from the third row vents but the 4 that are directly behind the driver and passenger seat don’t blow any air at all. anyone dealt...
  5. I

    misfiring on driver side cylinders

    i tightened my intake found one loose still didn’t change noticed black soot on my tail pipe and w sulfur smell from my exhaust some times i’m wondering if my cat failed when my previous motor blew the head gasket
  6. I

    misfiring on driver side cylinders

    hey yall quick update grounds seem ok only thing i have found is my short term fuel bank is through the roof looking at it with a scan tool it’s around 80/90
  7. I

    misfiring on driver side cylinders

    where is the ground located?? i’ll check it today
  8. I

    misfiring on driver side cylinders

    so one thing i noticed is if i let the car warm up it will stop missing if it’s cold it will miss slightly at idle and will miss heavy under load. once its a little bit warm it will run fine under load.
  9. I

    misfiring on driver side cylinders

    which ground cable is that ?? and i haven’t swapped the injectors but i can give thet a shot tomorrow
  10. I

    misfiring on driver side cylinders

    hey everyone so i got my engine swapped in my 04 tahoe it’s a 5.3 was running great for a couple weeks then all of a sudden im getting multiple cylinder miss fires on all of my my odd cylinders this engine i swapped in was a market place find. was told it had 140k on it supposedly car runs...
  11. I

    remote start

    hello i got a question im looking to see if i can get a remote start and key fob for my 2004 yukon sle when i got it came with a single key looks like a aftermarket key. but i want to get the fob and remote start if possible anyone know if this was a factory option in 2004 or do i have to find a...
  12. I

    how much oil pressure is to much oil pressure

    so there a possibility i have a 80 psi sender and not a 60 psi sender ?
  13. I

    how much oil pressure is to much oil pressure

    so i just swapped my 2004 gmc yukon with a engine out of a 03 tahoe. runs greats only thing i noticed is its got crazy high oil pressure if i go wide open it will peg the oil pressure gauge. running down the road it does 60 psi all day long. i bought this engine used off facebook was told its...
  14. I

    2004 yukon security light staying on

    thank you for your help i found the main ground for the engine wasn’t tight enough which was causing my issue. tightened it up and working good now i just need a new transmission dipstick cuz the guy who helped me do the swap lost my dipstick somehow. and i got to get new clips for the...
  15. I

    2004 yukon security light staying on

    so i found the ground that goes to the back of the motor up top was moved to a bolt for the coil pack. also is that the ground strap going to the front lower side of the engine. my truck is a vin letter Z i haven’t tried putting my scanner back on it yet but i will today after work
  16. I

    2004 yukon security light staying on

    i used my existing ecm. i also tried running my scan tool and it would not read the vin either
  17. I

    2004 yukon security light staying on

    hey everyone so this is my first post so please if i’m in the wrong spot tell me. but i’m in need some of help i have a 2004 yukon sle loaded with the 5.3 unfortunately i had to swap the engine today. and since swapping it my security like is staying on and i have no fuel gauge and my fuel pump...

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