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  1. 972sparky

    2023 Tahoe 3.0 iDash vent mount

    Nice job!
  2. 972sparky

    Looking for GPS

    Had the same thing happen to my 2022. I pushed the onstar button and they walked me thru some settings menus and had me do a cache/memory clear on google maps app and it has been fine since. I’ll try to video the process if I can remember how onstar got me there.
  3. 972sparky

    3.0 Duramax Camshaft Drive Sprocket Replacement

    I watched a youtube of a LM2 teardown after the engine had been replaced due to a failure at around 150K miles. What they found was the cam chains were very loose and the timing of the cams/valves had changed to where the valves were pounding into the top of the pistons, then causing a rod to...
  4. 972sparky

    DEF level sensor issue

    I have a 2022 and have used 2- 2 1/2 gallon jugs in just over 13,000 miles and is still showing 75% on Banks gauge. I estimate that is about a 1/2 gallon per thousand miles, no towing.
  5. 972sparky

    How to put 2021 Yukon into "run" position?

    Push the start button without brakes applied for 5 or more seconds to put into service mode. Push again to turn off when done with your diagnostics.
  6. 972sparky

    Banks iDash parameters for the LM2

    Link below for the 1.24.7 iDash software is a beta so be sure to backup your gauge before installing. You can go back to a previous version if you have issues with this version. This was posted on the duramax forum and was noted that it had some updates for the LZO. As I said it didn’t seem to...
  7. 972sparky

    Banks iDash parameters for the LM2

    I am using the Dmax LM2 setting and I do have the dpf% and the gear display. I also can get the trans temp but don’t have it selected as I can get it on the DIC. There is a v1.24.7 software out but not on the banks site. Someone has a link to it elsewhere, I’ll see if I can find it again. Did...
  8. 972sparky

    A/C Snowflake light on but compressor does not run

    85, 86 and 30 should all show “hot” or 12V to ground if the relay is not on. Relay will only be on when the ecu connects 86 to ground. 87, the fuse and compressor clutch will only have 12V when the relay is on. There is more than just the Freon charge pressure that the ecu looks at before it...
  9. 972sparky

    Tail Dragging

    Outlawed in NC and soon in SC thankfully!
  10. 972sparky

    Def usage - seemed to drop really fast

    I have been averaging 2.5 gallons per 5,000 miles. 1/2 city, 1/2 highway no towing.
  11. 972sparky

    Here is Lifter (AFM) Solution on 2021+

    doesn't look like it will fit on my Duramax :imo:
  12. 972sparky

    Poor Backup Camera

    My backup camera is fine, the strobe effect of other vehicle headlights on the rear view drive me nuts.
  13. 972sparky

    Auto Start and Banks Gauge

    Make sure you have the latest software update (1.24.0) and you select the correct engine/vehicle in the setup to get the most parameters to display.
  14. 972sparky

    Auto Start and Banks Gauge

    12.10.2 Start/Stop For vehicles with engine start/stop functionality: When enabled, the iDash will not shut off when RPM drops below 600 rpm. Instead, the vehicle will check for vehicle communication to the ECU to determine if the vehicle is shut off. NOTE: It will also take longer for the...
  15. 972sparky

    limited slip diff type?

    Had one of these in a 2008 Avalanche, only had an axle seal go out due to the brakes overheating with a stuck piston otherwise no problems for 150K miles. Here is a rebuild writeup. https://offroadtb.com/rear-axle-g80-differential-rebuild/
  16. 972sparky

    Banks iDash parameters for the LM2

    Here is a link to the idash parameter list for the LM2 in the GMC Sierra 1500. The parameters are mostly the same for the 2022 Tahoe/Yukon. I will list the ones that are not in the new v1.24 update as well as a few others available that are not on the list. All the air density parameters are...
  17. 972sparky

    Banks iDash parameters for the LM2

    Great news! I have been checking every few weeks and had heard of a Beta version for us but couldn't get one. Going to try it out tomorrow for sure! Thanks for the update!
  18. 972sparky

    10 Speed question

    I have the banks idash gauge and the duramax. Have noticed it does not go into 10 until 62 mph or higher.
  19. 972sparky

    Elusive engine oil leak

    I had a 2008 5.3 that had oil dripping from the same areas, was the rear main seal.
  20. 972sparky

    How to know if transmission is 4x4 or 4x2?

    5th digit in VIN. C=4x2, K=4x4
  21. 972sparky

    Shakes at 70mph

    I had a 2008 Avalanche with the same vibration in that same speed range. Annoying as hell as that is where I liked to set the cruise on trips. Did the tire balance and rotations multiple times, wheel bearings, u-joints, none helped. Took it to a joint, clutch and driveshaft shop and they found...
  22. 972sparky

    Crank no start

    Could be a really bad tank of fuel. I would take the fuel line off just past the filter and run the pump into a glass jar and verify the flow rate and check the fuel for water/debris. Could have plugged all the injectors with junk from the first bad pump and old filter or just bad fuel. There...
  23. 972sparky

    Battery dies overnight

    On star
  24. 972sparky

    5.3 timing marks

    You will be fine as long as you put them back as you took them apart.
  25. 972sparky

    Ota update!!!

    Looks like there is more info about the update if you scroll down. I think it has to do with being able to get future OTA software updates.

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