Rand Joined Aug 20, 2003 Messages 21,504 Location NE,Ohio Dec 2, 2016 #21 Its just the air pollution since the system doesnt work until very hot.
S SHOZ Joined Jun 28, 2003 Messages 8,435 Location Illinois Dec 2, 2016 #22 It's the ethanol. Easy way to tell if it's in the fuel.