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Actually this will depend on the manufacturer and load size of the tire. Please check the side wall for correct P.S.I Never over inflate or under inflate your tires.
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Either someone is letting the air out of your tire or it has a leak. Obviously the shops you have taken it to are incompetent if they can't find a leak. A good shop will submerge the tire and rim in a vat of water and look for air bubbles. If you have alloy rims, occasionally the rim may have "porosity" where the air bleeds out thru the center of the rim between the tire beads. A good rim shop will have sealant that is sprayed or brushed on the rim center to seal it.
The trouble with Tire Pressure Sensors (TPS) is that they are in my opinion, too sensitive. Even a drop in tire pressure of 2 PSI seems to set them off. You may notice that the light comes on in the morning (when it's cool) but goes off after a short drive. Once your tires have warmed up (either from an outside temperature increase or by road friction) the air in the tire expands, increasing the tire pressure slightly, -usually satisfying the TPS and the light goes out.
I've used both of these methods to solve this issue: Get your tires filled with nitrogen (less expansion/contraction than air) or you could increase the tire pressure at the air filling station by few PSI.
most likely culprit is the tps itself they go bad if air is good all around then usually the sensor goes most go when fix a flat is used it shorts them out when you go to change tire replace the bad one cost anywhere from $ 5 to $ 25 online
This is the warning light indicating tire pressure needs adjusting -- usually means tires are low on air, unless the tires have recently been "pumped up" and the air pressure is too high.
ok first question did you put the exact same tire size that was on the car factory. If you change the tire size then the pressure for the tire goes up or down to meet that tire spec. your car just reads what the settings are for the stock tires so a change in size will make the sensor think the tire is low. If you put the same size tire back on then the system may jusy need reset.
the sensor in the tire may be faulty. If you have taken it and checked the air pressure in the tires already and it stays on then you probably have a faulty sensor. try airing the tire up a little more and see if it goes out. If not you may need to go to the dealer. They should be able to connect to the computer and verify the faulty sensor. Did you air up all the tires? Some systems will only tell you a tire is low and not which tire it is so air them all up too!
The indicator seems to be the one at fault. For a cross-check why don't you get your tires filled correctly(air pressure) and observe if the indicator still behaves in the same manner............sodeep
That's for your tire pressure on your car (TPMS). Most times when the tire pressure goes below 25psi, the light on your dash goes on.
You may have a nail in your tire. Or, they are just low.
Air them up to 35psi and the light should go out. Sometimes, there is a pressure senor in the spare tire. To be safe, check the air in the spare tire also.
Tire pressure always changes... when you drive your vehicle for a long period of time the tires' temperature goes up along with the pressure in your tires, the molecules in the air inside your tires get excited (hot) when your vehicle is immobile for a while your tires' temperature goes down along with the pressure in your tires, the molecules in the air inside your tires get compacted (cold) This is the best time to get a true PSI reading from your tires.... the recommended tire pressure on most tires should be set at 35PSI But there might be a problem with your sensors, I work with TOYOTA their sensors are set up to where when the PSI on your tires drops below the 35PSI, the tire pressure light would then come on. You should also check if your spare tire comes equipped with pressure sensors, which in most cases they do, depending on the type of tire the PSI on spare tires will usually range from 35PSI- 80PSI you can check your owners manual for this, or simply read the recommended PSI written on the tire.
most likely there is a small hole or crack in the tire, and when you drive the rubber gets hot and losens up allowing the hot air inside that is expanding to escape. my recomendation is to replace the tire. better safe than sorry when it comes to tires. good luck to ya
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