Driving about 40mph on level surface road when I heard a beep and noticed the Master Warning Light on, along with the Check Engine light and the Tire Pressure light. The informational display showed "Trouble" followed by a red car symbol in the upper left corner. I was only a mile or so from home so came here, backed into the driveway and turned off the car. Waited a minute and turned it back on, this time the tire pressure light did not come on but the other 3 lights did. Didn't find the owner's manual useful for this, other than the obligatory "take it to a Toyota dealer now" info. I never received my recall notice for the inverted cooling pump but is it possible that's causing these warnings? THANKS for any help! My daughter is leaving town early tomorrow so she won't be able to follow me to the dealership in case there's a problem, and I'm hoping it's safe to drive if I stay off the interstate.
SOURCE: 6 Cyl 1998 Toyota Camry Oil Pressure Light
these cars have problems with bad oil pressure warning switches you may have someone put an oil pressure gauge on the car and make sure your pressure is within spec and go ahead and change the sender if it checks out please rate -jeff
SOURCE: Tire pressure warning light stays on all the time for no reason
The tire pressure monitor must be re-calibrated, this is a dealer only repair, no one else will touch it, these systems are very trouble prone.
SOURCE: low tire pressure light won't stay off after proper reset.
Some newer Toyota vehicles have a sensor in the spare tire. Tires loose air over time naturally. I would check out the spare.
When did this TPS light start coming on?
Have you had new tires put on, or had a flat repair done before the light?
SOURCE: need to disable tire pressure warning light. Air pressure normal
You cannot "disable" the TPWS. Also, when you replace sensors, they need to be programmed to the TPWS computer.
SOURCE: Camry Hybrid Master Warning Light stays on
run scanner for trouble codes, some auto parts stores will do this for free
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Okay, problem solved. After more research on the web, it appeared that the inverter coolant pump must have actually failed, and as it was under recall but I never received the notice, I had to tow my Prius to the dealer for a new pump. Now I just have to get Toyota to pay for the tow!
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