Weird the valve control causing a lean condition to warrant the low pressure code. Stock ecu is very funny bro I think they are right an here’s why the stock ecu program rly hates certain unmetered air in specific places like you can do an intake sometimes it throws code sometimes it won’t. Look...
Do you have ability to read freeze frame data on your tool? If it’s stock no mods at all an under warranty might as well goto Honda if you clear codes you’ll get your rev match back but if Honda can’t recreate complaint even with warranty you’ll pay the diag. Si if you don’t have a good tool...