Mechanics

LEXUS SC 400 SENSOR PROBLEM

1992 Lexus SC 400 • 180,000 miles

My 1992 lexus sc 400 is jerking slightly and my engine light came on. I checked the code and it came up 13 for RPM fault circuit, so I took it to a local toyota dealer and they could not find the problem, with 3 hours diag time. I do not believe they checked the cam sensor or related, they just said that diag were done on ing, and related, and I recently replaced main ox sensor so this is new, I hope you have a good hunch at this point im lost.
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December 3, 2012.



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