Quote Originally Posted by GTPpower View Post
I run a fuel pressure gauge all the time, so I can guarantee that my check valve isn't a problem.

The big 3 auto manufacturers here in the us have taken measures to assist cold starts on flex fuel vehicles. So, it's obvious there is an issue with high ethanol content fuel and cold starts.
I'm just trying to throw some ideas out there, point is there could be a million reasons why two cars with the same engine management system might react differently to E85. There's obviously significant chemical differences, but it seems that some cars are starting well regardless and some are not.