Another Great Read from Stratified Auto. Ford had been at the forefront of preventing LSPI but always good to stay educated!
http://www.stratifiedauto.com/blog/low-speed-pre-ignition-in-the-mazdaspeed-disi-and-ford-ecoboost-motors/
Low-Speed Pre-Ignition in the MazdaSpeed DISI and Ford...
Ok don’t worry about it saying focus st as the ecoboost motors specifically the 2.0l and the 2.3l are very very similar to each other. I think this article from Stratified Automotive does a great job of explaining knock and ignition correction in the ecoboost motor...