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  1. T

    Highway gas mileage

    I think my highway MPG is good for a 6000 pound vehicle. i snapped this today while keeping it at 62 - 65 mph. 2015 Yukon XL Denali. Of course many times it drops with speed.
  2. T

    I made it! 2015 Yukon XL Denali, , 300,000 miles

    Well, I'm kinda proud but it seems conservative driving and LOTs of maintenance can pay off. Now that I've fixed all the known problems, it seems i have a dependable vehicle that i can just drive and enjoy.
  3. T

    My 2015 Yukon XL Denali has 200,000 miles.

    Hi guys: Well i've been hearing a loud ticking from the top or center rear of the engine. I'm looking for ideas as to what to start looking at for causes. How would one test to see if the lifters are finally collapsing? Still seems to run ok. Thanks, TG

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