>inputs from the speed sensor. It is not the Dealerships place to
>provide unsolicited/unnecessary maintenance or to replace 'suspected'
>failures. It must be a failure.
Under this thinking, you'd only change the oil when the last drop boils
out of the crankcase.
A knowledgeable dealer mechanic will know the speed sensor is going to
fail at the 80-100K mark, and to avoid an unhappy customer who just had
his truck in the shop and now has a truck that dies off idle, he'll
recommend replacing the part.
My 2 cents,
Jim
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