Tire Pressure & TPMS - What's Your Average Reading?

[Robot-Wrangler]

I also prefer to run at 1 lb below with the rear tires, as that end is normally lighter. Front at 37 psi, rear at 36 psi...door jam recommended pressure in my 2025 Lariat is 36 psi.

If you experience cold winters, you need to follow and check tire pressures to reflect these colder/lower AM pressures and reverse for summer temperatures.

I measure first thing in the AM, before driving and in the garage to make sure no sun is shining on any of the tires...it really screws up your indicated pressure, if you don't heed this advice.

Manufacturers have factored in the heat created by driving into the recommended COLD temperatures.

This heat will increase your pressure substantially...the hotter the day, the faster you drive, rhe more it will go up.

Cheers

Andy

This is how my Maverick arrived from Mexico. Note only 410 miles, not driven in almost four months. It is in the shop at the Ford dealer.

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[bgn]

30-31 psi cold. 245/65R17.

 

[North Coast Joe]

I sold industrial gauges by Ashcroft'; perhaps the best in the business. The typical run-of-the-mill gauge is pretty accurate in the 33% mid range arc of the gauge. A 100% accuracy gauge was a different build, and much more expensive.
I happen to own an analog tire gauge given to me by Ashcroft. It appears to be very accurate for tires.
I also own a digital gauge I use on my motorcycle tires.
My opinion is that if you are +/- 2-3 pounds, it doesn't make much, if any, difference.
I have noticed after driving a few miles the tires, that read differently from one another at the dash by a pound or two, register the same pressure at the dash after warmup.
Just my observations.

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