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Toyota Sienna Tire Pressure Indicator Light Problem...
I have a '98 Toyota Sienna LE Minivan and have recently come into trouble with the Tire Pressure Indicator Light.
The problem started yesterday, August 31, on my way back home from Los Angeles -> San Francisco.
I was travelling North on the I-5 when suddenly the Tire Pressure Light came on. Since the Tire Pressure Light came on before when one tire was about to go flat, I pulled over quickly and did a visual inspection...found nothing wrong. I shut off the ignnition and restarted my car...the Tire Pressure light went off.
I drive for another 10 minutes @ ~70 mph and then the Tire Pressure light comes on again. This time I pull over on the side of the freeway to do another visual inspection...still nothing.
I shut off the ignition once more and restart it. The light turns off. I drive for another 20 minutes, looking for a gas station. As I approach the off-ramp and slow down from ~70 mph, the Tire Pressure light comes on again. I turn off the ignition at the gas station and check the tires visually and using a tire pressure guage. All 4 tires read 38 psi, which should be normal since I had already been driving ~200 miles. I adjusted all 4 tires per the side of my door @ 35 psi a week earlier.
I get back on the freeway and the indicator light comes back on 2 minutes after I get on the freeway. This time I ignore it until I go have lunch..which was another 2 hour drive.
After lunch, I go back on the I-5 and the Tire Pressure light stays off for an hour, before staying on once more. Again, I ignore it.
I get off the I-5 to switch over to a smaller freeway. I take a break. As soon as I get back in my car, the tire pressure light stays on until I reach the off-ramp of my final destination. The tire pressure light turned off...
Any suggestions on how to fix this? or what the cause of the problem may be? Thanks.
And yes...I have tried pressing the reset switch many times...
My e-mail is as follows: firstname.lastname@example.org