Hi, need help for diagnostic check. My matuc car is under 1yr and ilang beses nako namatayan ng makina pag nakastop and gumagalaw/nagrerebolusyon ang rpm pag nakastop. I dont think its normal. Napalitan na ang battery nun motolite. Dahil sa labas ako nagppchangeoil, void na daw ang warranty. Can you please help pointing me to the best place to bring my car for diagnostic check? TIA