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Automotive / Buying and Maintaining a Car


Subject:  Re: Tire Pressure Warning Light Date:  1/27/2013  12:02 AM
Author:  mmrmnhrm Number:  69789 of 73177

That's what was so weird though. The light came on while it was cold outside, but as soon as the temps warmed up, the light went off. I didn't add any air to the tires yet.

What's strange about that? Temp goes up, pressure goes up. You may (or may not?) have had the equation PV=nRT in high school chemistry... pressure * volume = amount of gas * universal gas constant * temperature
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