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  1. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    I’m back all. The fuel pump permanently fixed the low fuel pressure issue. The new plugs and wires permanently fixed the p0300. I originally bought all ACDELCO. Iridium plugs I believe and wires. Replaced them with ACDELCO copper plugs, advance auto wires.(which I was less than impressed with.)...
  2. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    I’ll see if I can find someone to do that
  3. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Just incase there is anyone else with similar issues, my p0300 still comes and goes. I changed the spark plugs and wires again yesterday. I was thinking maybe I cracked a plug or something. I’ll have to see if the engine light comes back on.
  4. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Good evening everyone, the symptoms more or less went away for most of the summer and fall. All but an off and on random/multiple misfire code. I checked the coil packs. Found a few arching out. Replaced all 8 in the end. Problem still occurs. The other day the thing wouldn’t get out of its own...
  5. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Good morning all, this problem has been on going on and off still. This vehicle is my 3rd and a plow truck. So I usually don’t drive it. But I have been lately. After some digging around I found the coil pack on the first and last cylinder on bank 1 arcing out at night. So I ordered a set of...
  6. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    I just meant half cylinders. lol. Yes fuel trims are normal fluctuating regular. Then when it does its thing. Straight to 25% positive. I don’t remember where I bought the plugs. Mine fell off when I checked them. So these are better
  7. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Banana in the tail pipe. Thank you all for your advice. I will put the temp gun on the cats and see what I come up with.
  8. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Hey guys, first post here. Don’t chew me out too bad if it’s just something easy and I have over looked. My Yukon will drive all day with no load, if and only if I stay under 25% throttle. If I give it more it stumbles. It won’t go above about 3500 rpm up or down hill doesn’t matter. It will do...
  9. Gene456

    2005 Suburban Brakes Issue?

    Hey I am a new guy on here. I have a similar issue. I’m in the rust prone area of the world. The wheel bearing seems tight to me. I have not had the brakes apart. I just bought it and the previous owner said wheel speed sensors. It’s possible. But from my experience the bolt doesn’t walk out. It...
  10. Gene456

    Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here

    Sorry I should have specified. I figured it was ok for the 00-06. My 02 Silverado had a dash issue and my 03 Silverado and newly acquired 04 yukon.
  11. Gene456

    Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here

    I would just like to add to this old thread as a new member, the gauge clusters are no good. Most of the time. But it’s a simple fix. Remove send out for rebuild and replace

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