September 2nd show Sept 1, 2010 8:08:51 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Doc on Sept 1, 2010 8:08:51 GMT -5 We will be completing the engine control series Thursday night. Topics will be:Knock sensorswww.engineblox.com/?p=65Fuel Injectorswww.ehow.com/how-does_4572542_fuel-injector-work.htmlUpper O2 sensorsLower O2 sensorsen.wikipedia.org/wiki/Oxygen_sensor