jfoj's latest activity
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Jjfoj replied to the thread DFM disabler released.Update on the Range module, finally had a chance to get a more advanced scan tool on the truck today. During Decel with Fuel Cut Off...
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.While debris may be an issue with these engines, the oiling system is really in question. The 6.2l uses the same basic oiling system as...
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Jjfoj replied to the thread Thinking of selling my new 6.2L Denali....What weight oil? 0W20, 5W30 or other??
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.GM Loaner and Courtesy Vehicle Information - https://static.nhtsa.gov/odi/tsbs/2024/MC-11010491-0001.pdf
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.I did my first oil change at 500 miles, I still have the filter, have not cut it open yet. Will check and see what it looks like...
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.Well the AFM/DFM is likely a good part of these failures. Not sure what really changed as of 2021 other than moving from AFM to DFM. But...
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Jjfoj replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Seems from info I am finding is the front main bearing and the #1 and #2 rod bearings tend to be the more common failure on the 6.2l...
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Jjfoj replied to the thread 2021 diesel Tahoe engine turn off when driving.Not 100% on the pickups, they may be mounted near the spare tire??? But the Yukon/Tahoe it is mounted on the left side frame rail below...
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Jjfoj replied to the thread Mods to help MPG?? - 2022 Z71 Tahoe.Would love to understand the science behind your statement. Understand that while the engine is running and the vehicle is not moving...
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.Thanks for the follow up, sorry to hear about the engine failure. Just trying to get posters to provide some data so we might see if...
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.Here is the other post regarding the NHTSA comments on the forum -...
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Jjfoj replied to the thread L87 6.2: “NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs”.Tomg737, How many miles on the truck and how many oil changes had been performed and around what mileage? Was the Auto Stop/Start...
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Jjfoj replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.I think the unfortunate situaiton is there appears to be at least 3 specific failure modes with the 5.3l and 6.2l and it is unclear if...
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Jjfoj replied to the thread Spare FPCM (Fuel Pump Control Module) WISE IDEA!!!!.DontTaseMeBro pretty much took the same approach as me, did not want to worry about disconnecting the battery because if I was on the...
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Jjfoj replied to the thread Spare FPCM (Fuel Pump Control Module) WISE IDEA!!!!.CEL is not really an issue. Depending on the state of the vehicle when the module is changed, it could possibly trigger a code. When I...
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DIY Mid & Long LCA's / UCA's.....and everything else you'll need to have and know- Latest: 5StarCustmSolutns