My jazzy pulls to the right what is wrong - Pride Mobility Products Jazzy Select

Does the chair only pull to the right when you are going up an incline or over a threshold? If it appears to be working fine on a flat surface then you may have a motor getting weak. If this happens on all surfaces you may have a few issues. The brake on the right side may not be releasing completely and is dragging. Replacing the brake should fix that issue. The other issue may be that the freewheel engager is disengaged. Engage the wheel and you should be fine. If this fixed the problem and it comes back then you might need a technician to look at it. I have found that the customer had someone else look at the chair/motor to save some money and took the motor off the chair. Normally there are no serviceable parts but if they forget to replace or lose a small spring under the motor engager lever you will experience the chair disengaging under load. If none of this helps. You will need to get a qualified tech to look at the unit.