Welcome to
Microsoft Flight Simulator’s SDK Q&A Platform!
I noticed it's not possible as of now to show manifold pressure to the usual 1 decimal point accuracy. I had a look at the code of the G3Xs Touch XMLEngineDisplay.js and found only 4 line additions and 1 line of code are necessary to show it and keep the usual panel.xml structure and keywords.
Here is the changed file, tested and working: XMLEngineDisplay_js.txt
PS: while the screenshot shows Workingtitles G3X, the Code is for Asobos original G3X.
