1990 Toyota 4Runner trouble code 51

Tiny
WHITEWOLFTRIBE
  • MEMBER
  • 1990 TOYOTA 4RUNNER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 1,100 MILES
Trouble code 51 came up in my wifes 4runner I just don't know where to start trouble shooting with a code that broad any help as to a process of elimination would be greatly appreciated. Explain reasoning as to why? Thanks !
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Monday, October 13th, 2008 AT 11:30 PM

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Tiny
RASMATAZ
  • MEMBER
DTC 51 Switch signal -I will test the throttle position sensor 1st and then check the AC switch circuit/signal as indicated in the repair manual-
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Tuesday, October 14th, 2008 AT 11:43 AM

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