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  1. P

    210K miles on 2008 Tahoe. Replacing O2 sensors

    --------------------------------------------------------------------------- I like that approach.
  2. P

    210K miles on 2008 Tahoe. Replacing O2 sensors

    In my experience with other GM products, they get 'lazy' as early as 100K, and I have 210,000 on the clock.
  3. P

    210K miles on 2008 Tahoe. Replacing O2 sensors

    understood. meaning upstream left is identical to upstream right, and same for downstream.
  4. P

    210K miles on 2008 Tahoe. Replacing O2 sensors

    I see. I am getting them off rockauto. I assume the front ones are identical, as are the rear? Here are the part number: DENSO 2344668 {Click Info Button for Alternate/OEM Part Numbers} Info Upstream $25.79 Add to Cart DENSO 2344256
  5. P

    Recurring downstream O2 sensor issues

    I have 210K on my 2008, no codes yet but if I wanted to replace O2 sensors pre-emptively, do I replace just the upstream ones or the downstream as well?
  6. P

    210K miles on 2008 Tahoe. Replacing O2 sensors

    In my experience O2 sensors slowly go bad and to the best of my knowledge, these haven't been replaced at 210K miles. Question, do I need to replace all 4 or just the front 2? FWIW, I am not getting any codes, but MPG is poor even for a power tune...
  7. P

    How to fold mirrors? They are stuck. 2008 LT

    Will try it
  8. P

    How to fold mirrors? They are stuck. 2008 LT

    I do not have power obviously but they wont fold by hand either, they are. stuck. Afraid I will break something if I push too hard.
  9. P

    question on MPG before and after AFM delete

    what a cluster f.
  10. P

    Inexpensive tune?

    I am getting that diablo tuner. i2030. i can keep retuning it if I want.
  11. P

    I joined the 3.42 club

    You definitely need 3.73 for towing, I sometimes wish I had that even though I don't tow.
  12. P

    question on MPG before and after AFM delete

    what an idiotic failure by GM. They had to take a good engine and screw it up big time without admitting it. Mine sucks oil by the gallon. Half a quart of oil every two fillups. Or 600 miles. Ridiculous doesn't begin to describe it. When I bought the car (used), it didn't register any oil at...
  13. P

    Where do I get the keyfob made ?

    Link?
  14. P

    Where do I get the keyfob made ?

    I need the keyfob for remote lock / unlock / start Dealership, or can a private party do it?
  15. P

    What button opens tailgate?

    I don't have a keyfob or anything just the key. how do I get the keyfob made? remote unlock /lock Dealership or can a private business do it? cost?
  16. P

    What button opens tailgate?

    I seem to have hit something by accident and left the tailgate open. How do you open it automatically - i.e. raise it? I left with the tailgate closed and when came back, saw it open, weird.
  17. P

    Where to get factory service manual

    I have the same question. Can I get something in digital format? Not sure I want one of those 1000 page books.
  18. P

    Want To Upgrade To Newer Tahoe

    I am keeping the 08 forever
  19. P

    How to turn off beeping alarm?

    If I lock the car doors with the lock button, upon unlocking with the key and opening the door, it starts beeping the horn about two times per second, not the loudest but pretty loud, until the key is inserted into the ignition. Is there any way to disable this beeping? Also how do I install...
  20. P

    I joined the 3.42 club

    GU6 it is. I was hoping for 3.73, that would be a sweet combination but you cannot have everything. Get about 16.6MPG in mixed driving - mostly city and expect to hit 20MPG highway only. A refreshing change from 11MPG I got with 6.0L. It moves a little slower 0-60 than the 6.0L with 3.73s but...
  21. P

    Inexpensive tune?

    I hear about Blackbear but it is expensive. Is there an inexpensive tune I can get? 2008 tahoe LT 5.3L I want to turn off that fuel management 4-cyl stuff and maybe optimize shift points
  22. P

    Does 2008 Tahoe LT have active fuel management?

    Is there some software I can load on my laptop and connect to the OBD interface? And a pre-set tune for that model. More aggressive shift points maybe. I have GU6 rear ratio so it's OK but not a 3.73 type performance.
  23. P

    Does 2008 Tahoe LT have active fuel management?

    A permanent tune?
  24. P

    Does 2008 Tahoe LT have active fuel management?

    I have it. How do I disable it?
  25. P

    Does 2008 Tahoe LT have active fuel management?

    Does 2008 LT have AFM? 5.3L there is no sticker on the outside of the car, I thought it was supposed to be there. Is this a bug or a feature?

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