TPMS and cold weather
#1
TPMS and cold weather
Weather has dipped into the teens (F) and was driving down the highway this morning when all of a sudden the TPMS warning came on. I pulled over in about 5 minutes to take a visual look, tires look fine. Is it common for the TPMS warning to come on during cold weather? I do plan on stopping and checking with guage and air soon.
#2
Better OUT then IN
Join Date: Feb 2011
Location: South Florida (Ft. Lauderdale area)
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I would imagine that the cold weather would have an effect.
I live in Florida so I don't get the cold temps like others but this past weekend we went ATV riding and the temps went down to the low 40s. The gas cans all but collapsed.
So... yes, I'm sure that's what happened.
I live in Florida so I don't get the cold temps like others but this past weekend we went ATV riding and the temps went down to the low 40s. The gas cans all but collapsed.
So... yes, I'm sure that's what happened.
#3
Just another member
Originally Posted by RDFTS
Weather has dipped into the teens (F) and was driving down the highway this morning when all of a sudden the TPMS warning came on. I pulled over in about 5 minutes to take a visual look, tires look fine. Is it common for the TPMS warning to come on during cold weather? I do plan on stopping and checking with guage and air soon.
#5
Yes. Pressure is proportional to temperature. As the temperature decreases, the pressure goes down.... for the same reason there are temperature warnings on aerosol cans.
A general rule of thumb.... 1PSI for every 10 degrees.
A general rule of thumb.... 1PSI for every 10 degrees.
#6
Temperature does affect pressure, but tires don't go from full to flat because of it (in Calgary temperatures can go from +30 to -40 degrees C). I've never had a problem with TPMS before, but this is my first winter with my Ford. If you have Nitrogen in your tires (green cap on the stem) then temperature has next to no affect on pressure.
#7
Member
I've had this happen now every year for about the past 4 years when we get that first really cold night. I don't think it changes drastically, maybe a pound, but if you are already on the limit the sensor will trip.
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#10
Okay, worked a 14 hour day so finally got to a gas station with an air pump. All four tires were at around 25psi!! I filled them up to 35 and the light went off. Wow, 10lbs low all of sudden, huh? It was in the upper teens/low 20's this morning but warmed up to the 40's and was 41 when I put air in tonight.
When does the TPMS light come on, after 10psi low? My previous Dodge was nit-picky at 2psi variance but 10 with Ford, that can't be right?
Time to RTFM?
When does the TPMS light come on, after 10psi low? My previous Dodge was nit-picky at 2psi variance but 10 with Ford, that can't be right?
Time to RTFM?