Mercedes suspects Honda engines have been effected by FIA directive.
https://f1i.com/news/414386-mercedes-suspect-honda-engine-curbed-by-fia-directive.html
Red Bull have sustained engine damage in the last two round as a result of accidents and may suffer from penalties as a result later in the season by exceeding the permitted number of engine replacements
www.youtube.com/watch?v=GDDk3G3zEfc
https://f1i.com/news/414386-mercedes-suspect-honda-engine-curbed-by-fia-directive.html
Red Bull have sustained engine damage in the last two round as a result of accidents and may suffer from penalties as a result later in the season by exceeding the permitted number of engine replacements
www.youtube.com/watch?v=GDDk3G3zEfc