When you fly now and it all loads up the engine are all ready running. I want to start them up myself instead of in all ready going.
Taxi to wherever you want to start from and park the airplane, turn off the engine. Save it and then you can start from there when ever you want with the engine off.
...Or you can try this ➡
I already run it and had no problems. 😉
right after your scenery has been loaded, press F12 for cuting off the fuel flow to your engines. Wait few seconds, until engines will stop, and then put your fuel flow on idle(after pressing F12 they are going to be on 'off' postion) those are 2,3 or 4 buttons right under main throttle. Then prepare for taxi clearance, push back, don't forget the pax 🙂. Turn on beacon light after becoming clearance from pushing back guy(joke, in real life, not in FS9, you can download special pushbackv2.0 panel though with all the comments!) and then if you are ready, turn on the big boys! 🙂 have fun!