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  1. J

    2011 Cadillac Escalade 6.2L AWD

    My 2012 Denali Definately had AFM.
  2. J

    P0300

    Well guys I am glad to say that my misfire issue has been resolved, and at the same time I am embarrassed to admit that I made a rookie mistake. It was around midnight when I got my header installed and put the new plugs in. And being as I was tired and I havent had a plug gap issue with delco...
  3. J

    P0300

    Checked grounds, no other codes. I realized earlier that I can use the torque pro app on,my phone to try to isolate to which cylinder(s) are misfiring. So hopefully I,will,figure something,out,in the am.
  4. J

    P0300

    I only have 100k on this and bought it thanksgiving week. The problem is I didn't really drive it enough to really notice if there was a miss before I did headers,plugs, wires, cai and tune. Guess I am going to have to find somewhere local with a decent scanner and a decent rate to check it out.
  5. J

    P0300

    I swapped could packs,one,by one for a known good one that I have. Put the old plug wires back on. Sprayed carb cleaner around the manifold to look,for,leaks and still haven't found the problem. Thinking about pulling the plugs one by one to check them.
  6. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Since I am going to get under there this week to fix some leaks, I will snap some,pics and post them up. Can't get the collector to y connections to stop leaking. So, if I can find some decent flanges locally i am going to,go that route.
  7. J

    P0300

    I used Taylor wires. I may throw the old wires on tonight. Just to see if it makes a difference. I am almost wondering if my cheap air intake is causing the issue. Going to throw my stock intake back on first to see if there is a difference.
  8. J

    P0300

    Ok, I am having an intermittent p0300,code on my 2012 Denali. You can feel and see on the tach a random,mis at idle and anything below around 1500 rpm. I recently installed a cai, long tube headers with catless y and had a black bear tune. I replace my plugs and wires when I did the headers. I...
  9. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I installed my speed engineering headers and catless y
  10. J

    *sold*

    So, this is not for autoride denalis?
  11. J

    2001 Yukon Vibration

    I actually have no idea! I will have to check on that in the AM.
  12. J

    2001 Yukon Vibration

    I put on 285/75R16 Goodyear Duratracs and MB Chaos wheels from discount tire. I could feel a little vibe in the steering wheel, but not that bad. I have 35 inch duratracs on my wifes Jeep and they have zero vibration issues. I may go back to the tire place and get them to check the balance...
  13. J

    2001 Yukon Vibration

    I have a question for the gurus on here. I just bought a 2001 Yukon XL 4wd. I put on a lift (torsion keys in front and 2 in spacers out back). I bought new wheels and tires and got an alignment. The alignment shop found worn hubs and one worn balljoint. I replaced all and everything felt...

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