text: sun,meri gaadi ka engine thoda ajeeb awaz kar raha hai, kya tumhe lagta hai mujhe mechanic ke paas le jaana chahiye, ya phir khud check kar loon?arre, pehle thoda diagnostic test kar le, kabhi kabhi sirf oil change se sab kuch theek ho jata hai, par agar nahi, toh mechanic hi sahi hai!