Sorry for typos.my check engine light was on my emissions inspection is due.diagnostic.i had bad sensor had it replaced....mechanic said drive 100miles or so so computr will reset ..its been 3days...250.miles.and evap and oc sensor still not ready. - texascutie
My mechanic is not wrong ive been to his shop for many years.his scanner is up to date. I got in contact with chevy.and they said drive for about a week..use all functions.cruise control heater ac..erc..etc..and it should reset by then - texascutie
I don't care how long you have been going to this "mechanic", find another one.
A real enhanced scanner will be able to read serial data and trouble codes. I suspect your "mechanic" doesn't know how to use "his scanner". Good luck - PARTS GUY