My sister has an 1995 ES300 with about 94,000 miles. She changes the oil regularly.
Last week she was cruising down the highway and the car lost power. She pulled off the highway and turned the car off. She turned the car on again and it started, she hit the gas and it "crawled." (moved, but at much reduced power). She had it towed and then it started up fine. And now it works fine. The mechanic said he couldn't diagnose/fix it until it breaks again.
At some point she said the battery and oil lights went on, but she's not sure if it was when it stalled on the highway or when she restarted it.
She was only driving for about 10 minutes, so it's not overheating.
Does any body have any idea what the problem is? She's now afraid to drive it very far.