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Just picked up a 2021 Acadia on new years eve. It has the Denali technology package, but I would assume the backup camera is the same on all models. My wife has complained about the backup camera not displaying upon cold start, but it works later after re-starting. It has worked each time I drove it, I finally saw the black screen of death this AM. When we were shopping we considered a very low mileage 2020 Acadia Denali that was bought back due to camera/display problems. It had been fixed, but instead, we chose to get a new one in the wife's preferred color. So it seems that this may be a common problem. So, is there a TSB about this? Is there a known fix? Being under warranty, all I care about it getting it fixed with the least amount of inconvenience to us. I'd like to do my research before taking to the dealer, especially since it seems to work when the vehicle is warmed up. I don't want to waste my time if it is something the dealer won't be able to replicate without leaving it sit there overnight. -
Has anyone installed a water/methanol inject kit on any of the small blocks (2014-2018)? I personally have the LV3 4.3L V6. Looking to eliminate the carbon build up, caused by direct injection, on the intake valves. Right now I'm trusting that Sea Foam is doing the job every 30k miles. EDIT* I'm also interested in the increased performance after tuning. I am aware that a catch can would eliminate the majority of carbon build up on the valves.
