1990 Toyota 4Runner trouble code 51

1990 TOYOTA 4RUNNER
1,100 MILES • 6 CYL • 2WD • AUTOMATIC
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WHITEWOLFTRIBE
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  • 1 POST
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 !
Oct 13, 2008 at 11:30 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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-
Oct 14, 2008 at 11:43 AM
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