Yak 1b inert gas valves open engine open …engine shuts down on runway cannot take off

[vonbellyunclebelly]

Hi Folks I’m trying to manually control engines mixture and all that good stuff (ive always flown auto before …I set up my Hotas but on runway when I start up engine it quickly shuts down with message on left INERT GAS VALVES OPEN …what key to i need to add to my Hotas to be able to open shut gas valves ? Thanks so much your assistance 🙂🙏🏻

[vonbellyunclebelly]

Oh I sorted it out and just restarted the mission …haha i must of pressed something by accident 

anyway I did it im now flying with full manual engine management im chuffed 

[czech693]

Yeah, when you press start it turns on all the switches and valves to start up.  But, you have to set the mixture to a run position or it won't start.