It will be a couple weekends before I'm back home and able to load the tune back in. It has never had the tsb done.

So I picked up some motocraft plugs. Gapped them to .030. Still the same problem multiple misfire at wot. It is throwing a p0300 code multiple misfire. I detuned it back to stock, ran it at wot and it runs fine no code.

I figured it was the cheap plugs causing the issue. I will pick some up and see what that does.

I have 2011 ecoboost all stock except the trinity tuner. I uploaded the 87 octane tune and at WOT it sparks nocks like crazy. Also does this on the 93 tune and mileage tune. A few months ago I had to change the plugs. All I could get at the time was auto lite plugs. I did gap them to .30 tho. Any ...