jfoj's latest activity
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Jjfoj replied to the thread New 2024 Yukon XL Denali.@DontTaseMeBro Whoa, DO NO WARM THE ENGINE UP IN THE DRIVEWAY, this is what I am trying to caution every about, this is the worse thing...
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Jjfoj replied to the thread New 2024 Yukon XL Denali.@Vinmega Does not surprise me that the oil might smell a bit like fuel on a new vehicle. The engine has never been fully warmed up...
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Jjfoj replied to the thread New 2024 Yukon XL Denali.Welcome to the 6.2l club. For all the 6.2l owners that have "6.2l Range Anxiety", not how long between fill up, how long between engine...
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Jjfoj replied to the thread Thinking of selling my new 6.2L Denali....For all the 6.2l owners that have "6.2l Range Anxiety", not how long between fill up, how long between engine failure, Suggestions for...
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Jjfoj replied to the thread Thinking of selling my new 6.2L Denali....@viven44 You can have fuel dilution that does not add oil. You can have fuel dilution that causes enough oil consumption/flash off to...
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Jjfoj replied to the thread Thinking of selling my new 6.2L Denali....@viven44 The 5.3l does have fuel dilution issues as well, but the problem is the 6.2l is configured to operate at lower RPMs and higher...
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Jjfoj replied to the thread Premature Rear brake pad wear.@blondie70 If I use my hands, I use the back of my hand, far more sensitive to temperature. Even more sensitive is your face, but you...
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Jjfoj replied to the thread Thinking of selling my new 6.2L Denali....The dealer will never take an oil sample for analysis, it takes time (approximately 10-14 days for mail transit time and lab time) and...
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Jjfoj replied to the thread Premature Rear brake pad wear.Suggest you really inspect the rear brake pad thickness rather than rely on the predicted life indication. While my 2024 Yukon is just...
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Jjfoj replied to the thread fuel mileage.Wind resistance/drag has almost more to do with killing fuel economy than the weight. I pulled a 14 foot enclosed trailer with a...
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Jjfoj replied to the thread Denalis stopping while driving- class action suit?.@tagexpcom You were testing out the 6.2l for sure. It is crazy how a trailer is like pulling a sail down the road. Even on my 2005...
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Jjfoj replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Yea, the problem with "Premium" fuels is they vary in Octane based on region from what I have seen. West Coast seems that 91 tends to be...
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Jjfoj replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Fuel door has a sticker on the inside that states "Premium Fuel Recommended", it does not indicate the "recommended" octane rating. L87...
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Jjfoj replied to the thread Denalis stopping while driving- class action suit?.@tagexpcom Scary about the 6.2l WOT and topping out at 60-65 MPH. May be a factor of weight, wind resistance, elevation and grade? But...
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Jjfoj replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.@viven44, The TCM is all about Torque Managment these days. The 5.3l is a different beast that has less Torque than the 6.2l and will...
