Don Anglin

Don Anglin
below engine layer picks pickup run water
If the water is below the pickup tube, then it picks up the phase-separated layer of ethanol, water and gasoline, and the engine will run very poorly, if at all, on that mixture.
blend complaints-and-complaining multiple somewhere suspicion
If there are multiple complaints, then my suspicion would be somewhere between the refinery and the tank, the blend encountered water.
alcohol gasoline
Any combination of alcohol and gasoline is very unforgiving of water.