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Discussion Starter #1
I have been running my predator tuner for 150,000 miles. I had the trans rebuilt 15,000 ago so I have been running it on the 85 tune. Its been great, then the other day the truck seemed low on power, shifted a little different. It was really dogging. So I set the tune back to stock, then back to the 90 and all was good again. Then it happened again today. Reset it and all seems fine again. The only thing different is that I have plugged in the truck at night a couple times. I know that shouldn't be an issue but that's the only thing different. Any help would be great. Thanks in advanced.
 
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