Recent content by UsualSuspect

  1. U

    AutoStop Eliminator

    I have them installed on all our vehicles. While I am not a fan of auto start\stop, I don't think it saves much fuel. It wasn't designed to save fuel, it was designed to lower smog levels in urban areas. I'm not sure if it actually lowers emissions levels, but where I live some of the traffic...
  2. U

    LZ0 Article & Video - Durability Issues

    You have to put this into perspective, GM produces approx 200,000 3.0's per year. The LZ0 was introduced in 2023, ball park 500,000 plus have been produced. The LM2 had over 1,000,000 plus produced (Unofficial GM leaked number is a littler over 1.2 million). How many of those have failed? No...
  3. U

    SiriusXM stops working every 5 minutes

    Just wait, there will be other anomalies as they like to call label them. An amplifier is on backorder for the 23 we have. Gave it to my son to drive, he has video where it displays a channel and artist in the dash cluster, and you can clearly hear him cycling through stations, but the info in...
  4. U

    Coolant Control Valve - Extended Warranty

    Here is the GM communication to NHTSA. N252508341 LM2 Coolant Control Valve Replacement
  5. U

    Question about supercruise

    The 2023 Yukon and 2025 both have the 3 year. It should be on the Window Sticker.
  6. U

    Super Cruise / Adaptive Cruise Control Issue

    They need to replace the camera, it's faulty, my 2025 Sierra had that issue, they replaced the camera, hasn't done it since.
  7. U

    New to diesel - help needed

    I always use OEM, change it every 15k. The number 1 reason why diesels are towed into dealerships, clogged fuel filter.
  8. U

    Auto start/stop eliminator added

    I have them on all of our vehicles, and all of the fleet vehicles. If you drive around town and you sit at stop lights constantly, you will find in a few days your battery is dead. Adding this eliminated that issue, and I don't have to futz with pressing a button every time I start it.
  9. U

    Which Anti-Gel Additive for Cold Weather?

    I have always used what’s on sale, never had one gel up yet. The trick is making sure you add it before you need it, and the fuel it’s mixed with has had a chance to work its way through the fuel filter. If does gel up, put some diesel911 I. It, wait a few hours, it should start.
  10. U

    Diesel Additive Testing

    The only additive I have used in over 40 years of owning diesels is anti-gel when the temp drops, and I use the cheapest on the shelf. Never had fuel gel, and since I used to keep trucks until my kids needed one, then drive them around 300k and sell them. Since they all have gone at 300k without...
  11. U

    Infotainment Issue after Recall Update

    Local dealer did the recall updates to the wife’s 23 Yukon. I noticed a few intermittent issues. The XMRadio will display the channel, there isn’t any audio, has “Internet Signal Lost”, “Attempting to reconnect”. It has done this twice, unobstructed view of the sky. The other issue...
  12. U

    Yukon Denali - Driver's side running board light not working

    The passenger side on mine the LED strip went bad. The dealer ordered a new LED strip, replaced it under warranty.
  13. U

    Dealership Diagnostic Time

    I would find another dealer. The 2 dealers I use, both scan for codes when the Service Advisor checks the vehicle in, and all of the TSB updates were done same day. The only exception to same day is if they find an issue and have to order parts, or open a TAC. I sent my 1500 in, it needed a new...
  14. U

    Engine replacement

    Dealer told me this is an issue, GM is trying to figure out which supplier(s) are involved, which explains why it isn't every 6.2. There are 17 6.2's in our fleet, and so far only 2 of them, one was a 21, the other was a 23. All of them have over 50k on them now, the 2 had the issue had less...
  15. U

    2021 diesel Tahoe engine turn off when driving

    If the above are eliminated, did this start after a filter change? If so, check the filter housing and cap. I had an LB7 that used to do that, only on the highway, turned out there was a hairline crack in the fuel filter mount.
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