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  1. #1
    Long Hauler D2Reid's Avatar
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    TPMS pop high alarm at 131 psi

    I love my TPMS. It gives me all kinds of data. Years of playing with tire pressure and driving conditions I have learned a lot about tire pressure. Silly stuff like tire pressure is recommended at 70F. That you can adjust 1 psi per 5 degrees F. So starting out on this run it was 50f out, so I set my 110psi tires to 106 psi balanced on all tires. Then the run begins, 325 miles today, psi was running 125-128 most of the day, IMHO, perfect. Then 10 miles from my destination my left front pops a high pressure alarm, 131. 110-131 is a big increase. Why? I check the brake and hub temps, under 100f. Hmmmm!

    Other tires were keeping in the 125-128 range. What's going on? I know these kinds of variances are fairly normal, but this divergence in PSI is a harbinger of trouble. I know better than to adjust tire pressure when the tires are still warm off the road so won't make any adjustments tonight. I will check them first thing in the morning to look for variances per tire. Why did the left front go High? Probably nothing, but I got my eye on it....
    Dallas
    2017 Momentum 376TH, 2019 Ford F450, Dual Rear Wheel, 4x4, diesel.
    2015 Harley-Davidson Street, XG750

  2. #2
    Long Hauler
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    What did the tire pressure gauge you normally use show?

    Not really sure I understand the concern, 110-131 is a big increase, but 110-128 isn't? Dude, that's 3 psi.
    Last edited by Hoopy Frood; 10-17-2021 at 08:55 PM.
    Howard and Peggy
    2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
    His: 1999 Honda Interceptor
    Hers: 2013 Spyder ST-S

  3. #3
    Rolling Along jleonard's Avatar
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    Quote Originally Posted by Hoopy Frood View Post
    Not really sure I understand the concern, 110-131 is a big increase, but 110-128 isn't? Dude, that's 3 psi.
    That's just around 2% over and that's probably within gauge error specs.
    Jay Leonard
    New Port Richey, Fl
    2022 Imagine 2600 RB, 2021 Ram 2500 CC Bighorn 6.7L Cummins

  4. #4
    Rolling Along cfowler55's Avatar
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    Oct 2017
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    Last week i had one creeping up. 6-8 psi and 8-10 degrees. Looked about ready to throw the cap. Year old Sailun with 7080 miles on it.
    Charlie
    Vickie & Charlie
    2019 310GK-R
    2020 RAM Longhorn DRW Cummins /Aisin

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