tire pressure monitor system
#1
tire pressure monitor system
i know the ones equiped on our cars are pretty accurate.
would they still be accurate with them being mounted on my rims by the band meathod?
to make that more clear.. took a band and wrapped them inside my after market rims.
reason for asking is.. pumped the tires up to 41psi at the gas station...
41psi according to the gas station psi gauge.
but my car read my tire pressure as 34-35
would they still be accurate with them being mounted on my rims by the band meathod?
to make that more clear.. took a band and wrapped them inside my after market rims.
reason for asking is.. pumped the tires up to 41psi at the gas station...
41psi according to the gas station psi gauge.
but my car read my tire pressure as 34-35
#2
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I have been wondering this myself... ever since I mounted my TE37s with the TPMS in them, I have been reading roughly 5 psi lower than my manual gauge... so I have a constant light on my dash.
The "Read this before asking a TPMS question" sticky mentions that there is no calibration that can be performed on these
The "Read this before asking a TPMS question" sticky mentions that there is no calibration that can be performed on these
#5
Registered User
let me get this straight the TPMS is just "banded" to the inside of the rim and not out of the valve stem hole? if that is so then the sensor can't operate correctly, it needs to be able to "breathe and know what the outside pressure is and compare the inside of the tire, you will get a TPMS code for check sum error eventually... also happens if wrong valve core is used... not all the time but some times
#6
let me get this straight the TPMS is just "banded" to the inside of the rim and not out of the valve stem hole? if that is so then the sensor can't operate correctly, it needs to be able to "breathe and know what the outside pressure is and compare the inside of the tire, you will get a TPMS code for check sum error eventually... also happens if wrong valve core is used... not all the time but some times
basically used this meathod.. been driving like this for about 3 months.. no error code. but was wondering if it would messure the psi correctly.
just went out and bought a digital psi reader from walmart.
gonna see if it reads the same as what the car reads tomorrow!
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#8
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I will say that while I don't rely on the TPMS to be completely accurate, I've found mine to be extremely accurate on my two sets of wheels with sensors. The TPMS is always within a 1/2 psi of my tire gauge. I may simply be lucky. The sensors should work just fine if they are banded.
#12
Registered User
if your sensor has been "excited" or registered while installed "correctly" then it usually dosent need to check sum... if it reads 0 from a blow out or completely deflated tire then it will run a check sum in the sensor to "self check"... all vehicles in US 2007 and newer are required to have TPMS installed from the factory... remember the exploder rollover recall... well it was ruled low tire pressure as the cause for blow out, now to prevent it from happening again manufactures have to annoy every one with an annoying light when there is low tire pressures. TPMS are required to be accurate within 1PSI.
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