Tire pressure

DAVID MENOTTI

MEMBER
2011 TOYOTA COROLLA
2WD
AUTOMATIC
75,000 MILES

I have 195/65R15 Assurance tires. I currently live in Kansas where the casual temperature is 60 degrees, however the night and morning temperature is somewhere around 20 to 30 degrees. My tire pressure indicator keeps coming on, even though my tires are at 30 PSI. Should I be worried about this? The indicator is not only coming on in the morning and the night, it is also coming on midday even after I had just checked my tire pressure.

Tuesday, October 16th, 2018 AT 12:11 PM

1 Reply

JACOBANDNICKOLAS

MECHANIC
110,052 POSTS

Hi and thanks for using 2CarPros. Com.

The air in the tires contracts as the temperature drops. The result is lower air pressure and the TPM light coming on. Make sure that you have the pressure set to the manufacturer's recommended pressure, which should be indicated on the B-pillar visible when you open the driver's door. It will indicate original tire size and recommended pressures.

The only way to eliminate this problem is by replacing the air in the tires with nitrogen. Nitrogen is not as susceptible to temperature change, so the pressure will remain constant and not turn on the light.

Let me know if this helps or if you have other questions.

Take care,
Joe

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Tuesday, October 16th, 2018 AT 6:46 PM