DestroyerBXA

i try allready disconnect he battery and i also changed all filters all i can do is go to lexus service and see what will they say

at the moment im interested to deal with no power and fuel consuption but i hav no idea from what start....

can somebody help me my is200 is using to much fuel i put 35l and made 160miles (no speeding) engine light is on sometimes flashing car doesent have power at all.Also TRC light is flashing and when connected to computer show ABS. i check it on computer and this what it show: P0300 , P0301, PO302 , P0303 , PO306 (INJECTORS NEED TO BE CHANGED?) P0110 , P0120 , PO1310 , P01315 and some more :( c1251, c1271,72,73,74,75,76,77 c1278 (trc and abs all faults?)c1223 can somebody help me... from what i supposed to start?