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TPM accuracy

Old Jan 30, 2011 | 07:02 PM
  #1  
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Default TPM accuracy

I have one that reads 2psi lower than the rest. The other 3 all read 2psi lower than my digital tester. Is this normal or an indicator that the batteries are failing?
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Old Jan 30, 2011 | 07:06 PM
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I use a standard pressure guage not digital and find mine are dead on.
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Old Jan 30, 2011 | 07:19 PM
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My lefts are dead on ***** accurate but both rights show 1.5psi too much.
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Old Jan 30, 2011 | 07:36 PM
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Are you driving when you check them. Don't they have to be moving for a few minutes before they are actually accurate?
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Old Jan 30, 2011 | 09:26 PM
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My are really pretty close.
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Old Jan 30, 2011 | 09:28 PM
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I have compared all of mine to a digital gauge and they are all dead on.
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Old Jan 30, 2011 | 10:06 PM
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Originally Posted by romeospete
I have compared all of mine to a digital gauge and they are all dead on.
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Old Jan 30, 2011 | 10:18 PM
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Mine are also dead on. I did replace them about two years ago when I changed tires. Never had probs with the OEM ones up to that time.
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Old Jan 31, 2011 | 05:23 AM
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Mine are pretty much dead on also but honestly I just use the TPMS to see if I've lost an inordinate amount of air. When filling them I use a quality digital gauge anyway and that's that...
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