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  1. N

    03 Yukon XL grill on a 04 Tahoe

    Yes I tried taking the the mounts that the headlights actually like fit into that you unbolt off of the core support I took those off and I tried putting those on there but they look almost identical to the ones that came off the Tahoe
  2. N

    03 Yukon XL grill on a 04 Tahoe

    I have a 04 Tahoe and the headlights and grill are crap. Unfortunately I'm strapped on cash and can't afford new parts atm. But I do have a 03 Yukon XL that has headlights and grill that are in almost perfect condition. I read a few posts where people changed the Yukon grill and headlights to a...
  3. N

    Spark Plugs - 2008 Chevy Tahoe 5.3L Flex Fuel

    So if the downstream O2 sensors move a lot it means the cat is bad? And move a lot how please explain some of us are not so intelligent in knowing everything I might be the only one and idc oh well
  4. N

    Lost keys while in the middle of nowhere

    Long story short I lost my keys and I'm about 3 hours away from home I'm able to start the truck and everything but I need to know how I'm supposed to hook up these three wires what I'm supposed to do with these two wires until I can get to the house and get a new ignition cylinder how housing...
  5. N

    Acts like it wants to run but doesn't.

    So can you explain to me why if the firing order is 1-8-7-2-6-5-4-3 and at TDC it should be cylinder 1 & 8 with Valves open but in my case I Only have valves open on cylinders 1 & 5 Now I'm not no machinist but there's something wrong here I never got the timing chain cover off cuz I don't have...
  6. N

    Acts like it wants to run but doesn't.

    From what I understand so far is that I can put a 5.3l no matter the year as long as I use my intake and Injectors and so on. Is that true? And is it possible to use a 4.8l? I've just never seen a flex fuel 4.8l
  7. N

    Acts like it wants to run but doesn't.

    My question is that I was told I can only use the L59 motor 2002-2007? I just want to know what years I can look for that motor in? And if I can use a LM7 motor and if so what would I have to change in order to do that? Or is it not worth it to change it all to use the LM7 motor and I just need...
  8. N

    Acts like it wants to run but doesn't.

    Need something a lil cheaper was thinking about a used motor but can't find any vin Z motors and was curious as to what I would have to do to put a non flex fuel engine in..?? I can find non-FF but not finding the Flex fuel that my Yukon came with.. not sure what years I can look for or anything
  9. N

    Acts like it wants to run but doesn't.

    I don't if you can see it clearly or not..
  10. N

    Acts like it wants to run but doesn't.

    What's your thoughts?
  11. N

    Acts like it wants to run but doesn't.

    So question since my motor is flex fuel vin Z how do I go about looking for a rebuilt or used motor what do I need to look for? like what years can I use for it I know that the heads have to be 706 heads as far as I knw. I found out the heads are bad there valves that aren't seated and a lifters...
  12. N

    Acts like it wants to run but doesn't.

    That is just sitting idling at first startup maybe idled for maybe 2-3 minutes at most.
  13. N

    Acts like it wants to run but doesn't.

    I know I recorded live data but for some reason my scanner is telling me no data was recorded
  14. N

    Acts like it wants to run but doesn't.

    I took some pics yesterday before I tore it back down. I don't know how read it to know what's good and what's not.
  15. N

    Acts like it wants to run but doesn't.

    I checked all the circuit connections everything checked out. The knock sensor code was the first one than after that morning I was having misfires it thru up the po300 and po301 so the po201 only popped up once. But pulled it all back apart to double check everything and double and triple check...
  16. N

    Acts like it wants to run but doesn't.

    Was just showing po301 and po171 a po201 and po300. Was mainly throwing the po301 and po171. I tried to drive it and it started to backfire badly didn't think I was gonna make it back to the house
  17. N

    Acts like it wants to run but doesn't.

    Where are the ground wires? I'm getting off farther and farther behind. I've got a job offer in St Augustine FL and I can't get this thing fixed to make it there. I'm starting to lose hope and I never give up but I'm not no electrical genius I'm scared I'm gonna make it worse than it is. But I'm...
  18. N

    Acts like it wants to run but doesn't.

    Im not an electrical genius I don't know what I need to know to figure it out. But I learn fast so if you could point me in the right direction I'll do whatever it takes to fix it. It's my only vehicle and I've been trying to fix it for a month now broke down at my folks house in Sorrento FL...
  19. N

    Acts like it wants to run but doesn't.

    All of these look the same but number 5. It might be nothing but it looks like something to me.… Just curious as to what y'all think?
  20. N

    Acts like it wants to run but doesn't.

    These 4 valves look the same
  21. N

    Acts like it wants to run but doesn't.

    Is that the right compression for 03 Yukon XL 1500 SLT 5.3 Flex fuel
  22. N

    Acts like it wants to run but doesn't.

    I didn't do number 8 cuz it's such a ***** to get to. I keep getting PO301 but the plug looks perfect.
  23. N

    Acts like it wants to run but doesn't.

    I didn't do number 8 cuz it's such a bi#@$ to get to. I get a PO301 but the plug looks perfect
  24. N

    Acts like it wants to run but doesn't.

    So with my key on it goes to 52 and then drops to 48 within about 5 seconds
  25. N

    Acts like it wants to run but doesn't.

    Key on it goes to 52 and then drops to 48 within 5 seconds

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