TPMS not correct, anyway to fix? - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 05-19-2018 Thread Starter
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Question TPMS not correct, anyway to fix?

My 2015 Ecoboost mustang is being a PITA again. Trying to make sure all tires are 32 PSI, think I was able to get the car on level ground to make sure pressure matched on each tire. The tires were fairly cold when I did this. I got every tire to 32 PSI. I've noticed the TPMS digital readout was saying 32 on the front passenger and driver rear tires, 33 on the driver front, and 31 on the passenger rear. My digital tire gauge read the 32 PSI on each tire. my TPMS seems off lately. any fixes, any resets? of course I'm not 100 percent sold on my handheld gauge, maybe its a POS too. any ideas? thanks

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post #2 of 6 (permalink) Old 05-19-2018
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Stupid moderators...


Last edited by 08'MustangDude; 06-05-2018 at 06:40 AM.
post #3 of 6 (permalink) Old 05-19-2018 Thread Starter
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Quote:
Originally Posted by 08'MustangDude View Post
That's just what the sensors are reading, you can't change that.
what if it reads differently than my digital gauge ?
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post #4 of 6 (permalink) Old 05-19-2018
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Last edited by 08'MustangDude; 06-05-2018 at 06:40 AM.
post #5 of 6 (permalink) Old 05-20-2018 Thread Starter
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Quote:
Originally Posted by 08'MustangDude View Post
I completely understood the situation, and as I said, that's what the sensors are reporting,
you can't change what they are sending to the TPMS monitor. Plus, ford claims a +/-
of 1lb is not an issue. When you fill to 32, and reset the system, as soon as you drive
and the tires heat up, the pressure will also increase. There has to be a margin of
error for this reason. If you filled with the tires off the ground, when the tires
are on the ground, the pressure will change under the weight of the vehicle too.

+ or - 1lb is not a huge deal...
I understand what you are saying. I have a question. how do you reset the TPMS?
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post #6 of 6 (permalink) Old 05-21-2018
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Last edited by 08'MustangDude; 06-05-2018 at 06:38 AM.
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