What is the PSI for radial tires on 2008 Chevy Cobalt Coupe? Warning light stays on.
On the door it says 30# and that is what it now is. When I just bought it,2 tires had 38,
One had 35 and on had 28.
I suspect that you have a bad TPMS (Tire Pressure Monitoring System) sensor at one of the wheels. Have the TPMS checked and if it's confirmed that one of the sensors is bad, replace all 4. If one is bad, the other 3 are soon to follow. HTH. -Jim
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