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Tire Pressure


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i have a 2006 250 IS. i bought it in greenwich,ct. since i commute the car has about 20,000 miles on it. since jue of 2007 ive brought the car into the dealer five times because the tire pressure light goes on. does any one know if this a common problem and what can be done about it. all my repairs have been done at the lexus dealer in greenwich,ct. any comments or help would be appreciated. thanks.

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What does the dealer say? The obvious answer is that maybe you have a slow leak, but I would think the dealer would find it. Probably not a bad sensor battery, otherwise the warning wouldn't turn off. Did you check the TSIB sticky thread?

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I believe the alarm is going to go off at +/- 4 PSI from the initialization pressure. Also there are two selections on the panel. If you switch to the 2nd tire set, the alarm will go off since there are no sensors for that one. Tire pressure will also change 1 PSI for every 10 degree F change in the outside temperature.

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I believe the alarm is going to go off at +/- 4 PSI from the initialization pressure. Also there are two selections on the panel. If you switch to the 2nd tire set, the alarm will go off since there are no sensors for that one. Tire pressure will also change 1 PSI for every 10 degree F change in the outside temperature.

thank you for the information. actually ive noticed the tire pressure light seems to come on in extreme temperatures. today it came on and it was 10 degrees. when it came on in the summer the temp was around 95. i appreciate your help in this!!!

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I believe the alarm is going to go off at +/- 4 PSI from the initialization pressure. Also there are two selections on the panel. If you switch to the 2nd tire set, the alarm will go off since there are no sensors for that one. Tire pressure will also change 1 PSI for every 10 degree F change in the outside temperature.

thank you for the information. actually ive noticed the tire pressure light seems to come on in extreme temperatures. today it came on and it was 10 degrees. when it came on in the summer the temp was around 95. i appreciate your help in this!!!

We saw that happen when a guy bought a car in Florida and drove it up north. Turned out to be the difference in temperatures.

Get a good tire guage and check them manually. I find mine to drop a pound or two about monthly even when the temp is constant outside.

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