Mine changes 4 mpg when the tyre pressures are to low.
A good garage should tweek the idle speed for you , it is usually a fairy simple job on a mechanical injector pump.
Found a USB memory stick that plugs into i-objects for backing up your stuff without using a net based server.
Made by PNY.
The tires on the truck are at the high end of the pressure spectrum for that model and make, as if there is too little pressure, the front end gets really squirrelly.
I will call the Muffler Shop tomorrow and ask if they could tweak it back down a little. I had a friend who could do it, but that’s past tense. *sigh*