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99 4runner Trans temp sensor issue??

ricekrispyota

Well-known member
Joined
Mar 7, 2022
Member Number
4911
Messages
59
1999 4runner 5VZ-E automatic 4wd

My kid recently moved up to Montana. A couple weeks ago his check engine light came on and the code was for the trans temp sensor. He let the truck sit for a couple days and when he turned it back on, the CEL was off. He drove the truck for about a week without issue. When he made the drive to Missoula last week, the CEL came on again with the same code. After sitting for a couple days, he drove the truck into town and the light turned off while he was driving. This morning he went to go to work, truck started fine but would not move in any gear. He said it felt like it was in neutral. He turned the truck off, but it wouldn't start, just cranked. He put a jump box on, the truck fired right up and moved like normal when he put it in gear. the trans is not leaking or slipping. He isn't hearing any strange noises and when it drives, it feels great according to him. The battery is over 5 years old and these issues just started two weeks ago.

Could these two issues be related? He has a new trans temp sensor ready to go in this weekend. Would a bad temp sensor cause the transmission to act like it's in neutral and then reset itself when the truck was turned off?

Any help is appreciated.
 
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