air pressure sensor help?
Thread Starter
Racer
Joined: Aug 2005
Posts: 414
Likes: 0
From: NJ
air pressure sensor help?
has anyone had a problem with there air pressure sensors? I was playing in the garage tonight and I thought they were not working properly so I let the air out and yes the left front still read 28 the only one not working right. Is there some thing I can do my self or does it need to see the dealer?
help
help
Instructor
Joined: Apr 2005
Posts: 241
Likes: 0
From: Fort Mill South Carolina
You may want to do a search. I think there has been several threads regarding tire pressure sensors.
I think someone stated that you may have to drive for 5 or 10 minutes before you will get an accurate reading. If this is the case, than letting the air out of the tire would not change the reading until you drive it for a little while.
You might try filling the tire to about 35 psi, drive it for 5 to 10 minutes and see if the new pressure is displayed. Then pull over and reduce the pressure to 30 psi and drive home. It should indicate the pressure changes.
Let us know what you find out.
I think someone stated that you may have to drive for 5 or 10 minutes before you will get an accurate reading. If this is the case, than letting the air out of the tire would not change the reading until you drive it for a little while.
You might try filling the tire to about 35 psi, drive it for 5 to 10 minutes and see if the new pressure is displayed. Then pull over and reduce the pressure to 30 psi and drive home. It should indicate the pressure changes.
Let us know what you find out.
Le Mans Master
Joined: May 2005
Posts: 5,865
Likes: 2
From: Hope, Arkansas - '07 LMB Coupe
Cruise-In VIII Veteran
What doesn't make sense to me is that you are supposed to fill the tires when they're cold, but the sensors pressure readings don't get updated until driven a bit and tires are no longer cold. 
I guess you just need to get used to what the 30 PSI cold normally gets increased to after the tires and warmed and use that as a baseline for whats normal.
I guess you just need to get used to what the 30 PSI cold normally gets increased to after the tires and warmed and use that as a baseline for whats normal.
Le Mans Master
Joined: Feb 2000
Posts: 8,593
Likes: 1
From: Yorktown Heights NY
St. Jude '03-'04-'05-'06
The newer sensors actually adjust to the new tire pressure rather quickly, less than a mile and that's not far enough for the tire pressure to exceed what you have put in at the start. 
Frank
Frank
Pro
Joined: Sep 2004
Posts: 638
Likes: 2
From: Medford NY
St. Jude Donor '05-'07
Originally Posted by Realtor Dan
has anyone had a problem with there air pressure sensors? I was playing in the garage tonight and I thought they were not working properly so I let the air out and yes the left front still read 28 the only one not working right. Is there some thing I can do my self or does it need to see the dealer?
help
help
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Burning Brakes
Joined: Aug 2005
Posts: 967
Likes: 1
From: / California
Originally Posted by wanta06
What doesn't make sense to me is that you are supposed to fill the tires when they're cold, but the sensors pressure readings don't get updated until driven a bit and tires are no longer cold.
I guess you just need to get used to what the 30 PSI cold normally gets increased to after the tires and warmed and use that as a baseline for whats normal.
I guess you just need to get used to what the 30 PSI cold normally gets increased to after the tires and warmed and use that as a baseline for whats normal.
Your tire pressures change constantly and it's pretty much improssible to have the exact readings all the time. Your sensor system is there to monitor the tire pressures for problems, not for exact measurements.
Intermediate
Joined: Oct 2005
Posts: 32
Likes: 0
From: Bonaire, GA
Tire Sensors
I think you all are missing the reason the sensors are there. It is to tell you when you have a flat; i.e. very low tire pressure. Get a good digital guage to get an accurate reading while serviceing your tires.
Barry
Barry
