ban muon chinh gaangti thi ban phai dam bao nhung yeu to sau
1: he thong nhien lieu phai tot.
2: nhiet do yeu cau de chinh gaangti phai tu 80 do tro len..
3: he thong jio tot.
4: bugi, sucpap, co coi co bi dong ko kinh ko.
de xe ban co gaangti chuan ban kiem tra lai cac he thong tren ban se dc...