We have a Transit Connect with a 2.0L I4 engine not to be confused with the ecoboost 2.0L engine and we’ve gotten ( 1 ) misfire within the last 3 years and only because we opted to run full e85 fuels in the van. Although the van ran great the misfire came when we topped of the full tank with 10.00 USD. According to the owners manual, one shouldn’t top off the tank with less than 10.00 worth of fuel. Instead they should wait until at least half a tank to refuel. Mind you when one researches the specs of the van it shows that the 2.0L also listed as a flex van but doesn’t have the yellow fuel cap. Even taking the van to the dealership, they don’t have a clue as to if the engine is just gasoline or is a flex fuel vehicle. This is why we tried the eFuels and got the misfire. The code was cleared and we’ll avoid the eFuels. Not because they don’t work, but the fuel economy was terrible. That’s was a shame because the van ran like it was on a race track.
