Thanks for that, I've taken the case off and it looks fine visibly, cant see and smell anything which may point towards anything being majorly damaged. If by lowside you mean underneath as in between the two PCB's then I couldnt check for sure as I'm not able to split them apart.

I hooked it up for a motor on the bench last night and does seem to run better than he suggested, the motor does run with both a sensor and without however it did stall sometimes, so if you just feather the throttle the motor will not turn, you can hear it trying to go and the 'whine' gets a little louder the high the throttle but if you spin the motor then it'll run fine.

Thats the problem he said originally as the car wouldnt go from the start line until someone pushed it.