[MAGNUMB]

What did Subaru do on these new FA25 engines to prevent carbon buildup?
I know Toyota runs dual injectors, one in the combustion camber and one in the plenum that sprays directly on the valves every so often to clean them off. Subaru have something similar?

 

[norway]

https://www.ascentforums.com/forum/...ussion/2979-keeping-away-carbon-built-up.html

https://www.ascentforums.com/forum/...ll-new-2-4l-turbo-subaru-engine-ascent-9.html

 

[pilot1226]

Yeah, please refer to the existing thread that is discussing this. Thanks.