i'm new here, and hpoe someone will help......i love my rover but have several issues that i need help with.........the right rear has a serious sag..it does not have air suspension, can i adjust the torsion bar, and if so, how?...............my check engine light is on, what do i do to locate the issue? ........... my speedo was reading 5mph slower than the actual speed and then died......what might it the cause? ..... i would appreciate any help........