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Installed Superchip 1715 MAX Tuner to Tow Performance, shifts to Superchip, and raised limiter.
Now the truck idles at 1600 rpm. Anyone else had this problem.
(when I disconnected the neg cable on the truck battery for a minute or so, reconnect it, and then restarted truck, the idle was fine but no firm shifts.)
The programmer does not reprogram the idle speed. All Ford vehicles relearn their idle (may take a few key cycles) when the computer has been reset, that's probably what you've experienced.
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