I posted a question on my Toyota SDK7 skid steer in Nov in the other forums and got no hits so I hope I'm not in trouble by jumping lines but here we go My machine starts and runs fine working, moving or sitting and idling for about 5 minutes then she loads up like 2 pumps lever or a stick or pedal is pressed to the point she stalls. She seems to start right back up but lurches forward and right until I pull the stick back to settle her down but then again stalls do to unknown pump pressure. My guess is a pressure release valve sticking but not totally sure. And it's location is also a mystery. Any help would be appreciated.