Re: 2014 silverado,V4 mode issues, or delete
I bought a Diablo tuner to disable the V4 mode. I don't know if this will stop the potential lifter issue but I can tune my truck and calibrate the speedo for different tire size with it also.
Here's a great deal on a refurbished one: https://www.ebay.com/itm/RFB-DiabloS...72.m2749.l2649
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1951 Truck, LS1/4L60
1964 Suburban, current project
2014 Silverado daily driver
1953 Westerner "canned ham" trailer, rebuilt
1974 Prowler trailer, rebuilt
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