Low tire pressure
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Junior User
Joined: Nov 2008
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Low tire pressure
had my (low tire pressure) light and dash warning come on. upon checking pressure I found 35 psi + or - in all but one tire which showed 26 psi. didn't find any objects in the tire so I aired all four up to 40 psi. I'll keep an eye on them. kinda a useless post but its been the same old stuff around here but hey that's a good thing 
Elder User
Joined: Jan 2010
Posts: 790
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From: Ontario, OH
does that mean you are or aren't a fan of the TPMS? I think it's just another thing to break and spend money on. What happened to the good old days of doing a quick walk around or checking your tire pressure on a regular basis?
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I'm a fan of TPMS now.
I keep my tires inflated to about 39 psi and check them every week. Driving to work one morning and "bing bing bing" with "Low Tire Pressure" showing on the information center.
I pulled over and checked the tires visually, but they looked fine. I started thinking that maybe a sensor went bad. Not knowing for sure, I turned around and went home quickly to check the pressures. The passenger rear tire only had 26 lbs in it! I then saw a screw embedded in the tread. It looks like it was there for a while and the leak was a slow one.
So, I dropped it off at the dealer and they called me saying its a perfectly repairable problem. They repaired and rebalanced the tire. Its been fine since the repair.
I've always thought TPMS was a waste of time having to deal with delicate sensors and such, but it came in very handy today giving me the heads up to check the tires.
I keep my tires inflated to about 39 psi and check them every week. Driving to work one morning and "bing bing bing" with "Low Tire Pressure" showing on the information center.
I pulled over and checked the tires visually, but they looked fine. I started thinking that maybe a sensor went bad. Not knowing for sure, I turned around and went home quickly to check the pressures. The passenger rear tire only had 26 lbs in it! I then saw a screw embedded in the tread. It looks like it was there for a while and the leak was a slow one.
So, I dropped it off at the dealer and they called me saying its a perfectly repairable problem. They repaired and rebalanced the tire. Its been fine since the repair.
I've always thought TPMS was a waste of time having to deal with delicate sensors and such, but it came in very handy today giving me the heads up to check the tires.
Posting Guru
Joined: Jan 2006
Posts: 1,490
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From: Arizona/Texas
You never know when and where you may pick up a nail or screw. As you drive around town, at lower speeds, a screw may stay in a tire unnoticed for days or weeks. But once on the interstate doing 75 mph, the screw or nail comes out. That's where the tire pressure warning systems are saving lives. Even if you only have a few seconds warning, it's enough for the average person to let off of the throttle, and coast to a stop before the tire explodes due to heat build up. I check my tires several times a day. And I had a blow out at high speed that sure got my attention. I wish I had the warning system in my work car.
So to keep it short, I am glad I have a warning device in my new truck. Makes me feel allot better about my wife traveling by herself.
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I always check tires when I walk up. But you can't see the whole tire, and the screws that I've gotten make a slow leak that can, as per prior posts, change to a bigger leak while under way. TPMS isn't that complicated or expensive, and it sure beats a flat or blow out sneaking up on you.
New User
Joined: Sep 2010
Posts: 20
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From: Texas
I think it is a CYA tool for drivers who dont really know whats going on with their vehicle and automatically assume that everything is fine. It is along the same lines as having a larger nozzle at the gas station that prevents people from putting diesel in their gasoline tanks.
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New User
Joined: Sep 2010
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From: Texas
A buddy and I were just talking about the TPMS. Does this feature come on superduties? He has a F350, and the question is when he is loaded up which pressures up the back tires, do you get a sensor alarm?
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Posting Guru
Joined: Nov 2009
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From: NC
The truck load (either in the bed or trailer tongue weight) does not affect tire pressure. IE, 35 PSI with no load will be 35 PSI with 1 ton in the bed.
New User
Joined: Sep 2010
Posts: 20
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From: Texas
Righ, Right...PSI is Per Square Inch - Volume of air in the tire doesnt change therefore the tire pressure does not change. I'm with you. Brain F@rt...Thanks for straightening me out...
Junior User
Joined: Mar 2009
Posts: 69
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From: Mississauga
I'm a fan of TPMS now.
I keep my tires inflated to about 39 psi and check them every week. Driving to work one morning and "bing bing bing" with "Low Tire Pressure" showing on the information center.
I pulled over and checked the tires visually, but they looked fine. I started thinking that maybe a sensor went bad. Not knowing for sure, I turned around and went home quickly to check the pressures. The passenger rear tire only had 26 lbs in it! I then saw a screw embedded in the tread. It looks like it was there for a while and the leak was a slow one.
So, I dropped it off at the dealer and they called me saying its a perfectly repairable problem. They repaired and rebalanced the tire. Its been fine since the repair.
I've always thought TPMS was a waste of time having to deal with delicate sensors and such, but it came in very handy today giving me the heads up to check the tires.
I keep my tires inflated to about 39 psi and check them every week. Driving to work one morning and "bing bing bing" with "Low Tire Pressure" showing on the information center.
I pulled over and checked the tires visually, but they looked fine. I started thinking that maybe a sensor went bad. Not knowing for sure, I turned around and went home quickly to check the pressures. The passenger rear tire only had 26 lbs in it! I then saw a screw embedded in the tread. It looks like it was there for a while and the leak was a slow one.
So, I dropped it off at the dealer and they called me saying its a perfectly repairable problem. They repaired and rebalanced the tire. Its been fine since the repair.
I've always thought TPMS was a waste of time having to deal with delicate sensors and such, but it came in very handy today giving me the heads up to check the tires.
About 2 weeks later it lit up again.
Low and behold there was and all but invisible nail in the tire...got her plugged.
New User
Joined: Sep 2010
Posts: 20
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From: Texas
I have added a couple of comments to this thread, so coincidently I guess, i got an alarm on my way home yesterday. I checked the pressure in each tire. 3 tires had 33# and one had 35#. Should the sensor alarm with pressures that close? Seems a little weird....
Posting Guru
Joined: Nov 2009
Posts: 2,016
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From: NC
That seems strange. What's the door sticker say for PSI? 35?