1990 Toyota 4Runner Code51

Tiny
4RUNNER4X4
  • MEMBER
  • 1990 TOYOTA 4RUNNER
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 178,528 MILES
I got a code 51 on my CEL. How do I fix that problem? Also my Trans work in park-reverse-neutral but when I put it in drive-2-Low my Trans feels like it's slipping plus my Trans shifter is loose.

I also replaced the TSP. The oil is fine with no leaks and doesn't smell burnt.
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Wednesday, May 28th, 2014 AT 4:53 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
A code 51 can be a throttle position sensor or neutral switch. Is the vehicle running normally other than the trans slipping?
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Wednesday, May 28th, 2014 AT 6:20 PM

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