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  1. conchasjim

    question on MPG before and after AFM delete

    Mine is a 2007 LTZ, 2WD, 65k miles
  2. conchasjim

    question on MPG before and after AFM delete

    Ok, now I'm really confused. Seems the quick and easy way is to just replace the AFM lifters with new ones, replace the trays and leave the cam? Then just run my superchips tune with the AFM feature disabled? Then sell this POS Chevy and buy a Toyota? LOL . I love the Tahoe, have had 3 older...
  3. conchasjim

    question on MPG before and after AFM delete

    Well, it looks like I have a collapsed lifter on the number 6 cylinder. I've had a superchips tune with the tow haul tune which includes a AFM delete. I believe it does, as I haven't seen the prompt when it would go into the V4 mode in years. With that in mind, it seems you can still have...
  4. conchasjim

    Traction control and stabilitrac

    My 07 just threw the same code, along with a hard shift, then check engine light. Started idling rough also. Ran the codes and said misfire on number 6. Checked plug, wire and coil and all checked good. Cranked the engine without starting and was a bit off. Mechanic thinks it's a broken valve...
  5. conchasjim

    Service Suspension dash error message

    I think you can put a resistor on the front strut connector and remove the code. It makes the system thinks it has the correct strut resistance, aka auto ride struts. The way I understand it is the front strut fluid has a resistance value and if that resistance is gone, as in a fluid leak, it...
  6. conchasjim

    07 Yukon Stability/Traction Control issue

    Mine did the same thing last week. Stability control needs service, rough idle, but would run fine at highway speeds. Check engine light started flashing. So, I checked the codes, said cylinder 6 misfiring 600 times. So swapped wires and plugs with nearby cylinder. Same thing. I then checked...
  7. conchasjim

    I joined the 3.42 club

    Yes, it's a 4 speed LTZ with 3:43.
  8. conchasjim

    question on MPG before and after AFM delete

    I guess I should knock on wood. None of these issues with my 07 with the 5.3. My only complaint is it doesn't tow worth a shit. I attribute that to the 3:43 rear end. I'm looking to change to 3:73 and see what that does. Anyone tried it?
  9. conchasjim

    question on MPG before and after AFM delete

    That's a first. Kill the engine huh. Explain please.
  10. conchasjim

    TPMS reprogramming tip

    Yeah ok, 40+ is what I've always run. Rides like a tank. Thought maybe dropping 5 psi might help. Should have bought that Caddy I guess.
  11. conchasjim

    NNBS?

    Ok, thanks.... So it's just a way of saying the year group.....
  12. conchasjim

    sloppy steering

    I've got an 07 Tahoe with 20s on it and it only has 73k miles. Rides and drives like shit too. Put new Goodyears on it today. The Michelins sucked. Curious to see what others think. I was thinking alignment also. Will run some miles on the new tires and see if it made any difference. The old...
  13. conchasjim

    2008 Chevrolet Tahoe LT -- gear ratio?

    2007 Tahoe 2wd 5.3 with 3:42. Tows terrible. Would like to try 3:73. Any input?
  14. conchasjim

    question on MPG before and after AFM delete

    So, why do it?
  15. conchasjim

    I joined the 3.42 club

    I've got a 07 with the 5.3 and 3:42 rear end. 2 wheel drive. It tows terrible. No power up the steep grades. Constantly down shifting. I even tried a superchips tuner with the tow mode tune. No help. I'd like to try a 3:73 gear ratio. Any one have some input? Fuel mileage is not a great concern...
  16. conchasjim

    NNBS?

    What does NNBS stand for? I see it used all the time one here and haven't a clue what it means.
  17. conchasjim

    TPMS reprogramming tip

    Somewhat related question. I put some new Goodyears on my 07 today. Finally wore out those crappy Michelins. Discount did the job and reset the sensors. Problem is the new tires require less air. Recommend 35psi. My dic alerts low pressure at anything less than 40 psi. Can this be set to a lower...
  18. conchasjim

    Suspension Help Needed Please 2007 X4 LTZ

    I'm in the same boat as you. My 07 rides like crap. It's a 2 wheel drive with only 70k miles. The rear auto leveling system seems to be working ok. Pumps up when I put a load on the rear and maintains it just fine. My front struts don't show any visible signs of leaks. But, man does this thing...
  19. conchasjim

    Power mirrors on 07 are crap!

    Yes I did add some grease. I believe the instructions said too as well. Still working good!
  20. conchasjim

    Power mirrors on 07 are crap!

    You can do it. Their installation tutorial is excellent. You'll have to buy two gears, they only sell in pairs.
  21. conchasjim

    NNBS - Exchange/Trade- Bench Seat for Captain's Chairs

    I'm not interested in trading for a bench seat. I would consider selling them. I'm not sure what they are worth.
  22. conchasjim

    Best Programmer for 87 Oct, AFM Disable, 2007 5.3L

    For the most part I didn't use the tow button. I usually run regular, tow or no tow. Never noticed any difference switching to premium. Also, I was towing through a lot of inclines and mountain passes on my way to Sturgis from NM.
  23. conchasjim

    BLACK BEAR TUNE COMPLETE

    Ok, thanks. Mine seems to work flawlessly. Guess I'll leave it for now.
  24. conchasjim

    Power mirrors on 07 are crap!

    Looks to be made of a different type of plastic is all I could see. $50 bucks worth? Well, it's cheaper than new mirrors with the same plastic gear that fails for sure. Time will tell. And they do have a lifetime warranty. And they state they tested them for thousands of cycles.
  25. conchasjim

    Delete AFM?

    Ok, thanks. Mines working fine. No vibration or rough idle or oil consumption. Guess I'll leave it for now.

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