Check and verify your tire pressure.

[Ncasini]

I saw that my tire pressure was 4-5 psi low when the temperature dropped. After adding air to the recommended pressure, my efficiency went up. Still not as much as summer driving but an increase.
just have to watch for warmer weather and adjust it accordingly. I didn’t think it would be that much of an improvement on efficiency.
make sure to check when it’s cold and no sunlight hitting the tires.

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[SpaceEVDriver]

IMO, we should be checking tire pressure (with a real, high-quality pressure gauge) once a month and adjusting as necessary to fit the conditions.

This Toyota TSB has one of the best procedures I've seen for adjusting according to temperature of the tires, the temperature where the tire pressure is being checked, and the lowest expected ambient outside temperature for the upcoming several weeks.

https://static.nhtsa.gov/odi/tsbs/2014/MC-10133726-9999.pdf

 

[broncoaz]

Great reminder for this time of year. I checked the pressure on my 2001 Ford Expedition the other day before making a run to the dump after not driving it since October. The fronts were at 22.5 and the rear were at 28. Recommended pressures are 30 front 35 rear. I had been out of town for November and my wife was driving it like that. She did check and top off the tires on her Tesla.

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