Originally Posted by Mt Tam I am

His responses:
Oil consumption failure is greatest in manuel transmissions due to down shifts above 5,000 rpm creating negative vacuum*. Oil viscosity break down does not necessarily begin between 240*F - 260*F. So no need to worry, you are under warranty.

Catalytic convertors are not necessarily effected by six quarts of oil burnt over them. Maybe effected. Diagnosis: you are under warranty. No need for replacement. I pointed out my first smog check is at four years, one year after warranty. Silence followed by "you are under warranty."