Ron starts the hour talking about the 14 class series he recently took on diesel engines and the difference between octane and ctane : takes a call on an 06 Corolla with a check engine light and a P0171 code : interviews Aaron Cherrington, Business Development Manager of Alldata : takes a call on a 2003 Camry with a transmission fluid question : and talks about a bill recently passed by the Michigan legislature restricting access to certain non OEM parts.