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got a 166/P0720 code from Advanced Auto

06-28-2006, 05:35 PM
If I am correct, this code translates to "The output shaft speed doesn't match the reported vehicle speed" I changed the fluid and filter as a start. Fluid looked good. No metal pieces detected. What should I look at next?

06-28-2006, 09:05 PM
is it possibly the speed sensor?

06-29-2006, 11:54 AM
...yup! :grinyes: Bad speed sensor. Had to reset the 'check engine' light, but problem solved. Total cost : $28 and some change. Changed it myself - easy access on tranny - 5 minutes :)

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