i have rzr 800 s 2011 whit 2 problem

1. after i start the engine its run abote 850 rpm ( not idle) but the big problem is when i pool the gas pedal th engine is beg down and dont move its happen in all gear position its can be TPS adjast.?

2. i heve intl modle and the problem is th rear diff isnt shift from lock to unlock after i test i see when i give the coil GND its work but whit switch is not work what can be the problem??

thenks Elad

Utah RZR Rentals