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You might be misinterpreting your tire pressure indicator light. Usually the light comes on when the tire pressure drops below a certain level in at least one tire. I've not heard of one responding to too high a pressure, but I suppose it's possible. I think your pressure indicator light may be indicating a problem with the tire pressure sensor system ...


If your car is relatively brand new, you may have inferred TPMS, which compares the rolling radius of each tire. If any single tire rolls more rapidly than another, then that tire must have lower pressure than the other, assuming the same tire size. This eliminates the tire pressure sensor in each wheel and its replacement upon tire replacement. So if one ...

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