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Re: Re: Why is my 4L80E shifting weaker?Unhook the neg cable on the battery for a few minutes then hook it back up see if it changes.. the computers learn with conditions and adjust parameters to current conditions .. if you have bedn grandpawing the truck around it may have backed off the shifts a fuzz.. worth a shotYou don't have to worry the tune won't be goin anywhere
Re: Re: Why is my 4L80E shifting weaker?
Unhook the neg cable on the battery for a few minutes then hook it back up see if it changes.. the computers learn with conditions and adjust parameters to current conditions .. if you have bedn grandpawing the truck around it may have backed off the shifts a fuzz.. worth a shot
You don't have to worry the tune won't be goin anywhere
