Hi all, I had a similar problem for weeks and look at all the forums to find a solution but never found any. So I try to understand by myself. I installed DatarefTool to see what is changing but could not what was changing the throttle value.
Then by chance, i see that by clicking on a dataref on DataRefTool the problem stopped. This was the "sim/autopilot/autothrottle_toggle". I did more research and finally found my problem was because on the Saitek Multi Panel I had the switch "Auto Throttle" set to "ARM". This is a button I never used before but it appears to be my problem.
By setting it to "OFF" my problem dissapears. Don't know if it is the same for you but give it a try.
