meri corolla 99 converted from 2od to petrol 16 valve efi subah start hoty waqt blue smoke marti hy thori dair ky bad khatum ho jata hy smoke. the second thing is my car is drinking petrol in these days and kisi kism ka engine check light on nhaee ho raha car ki avarage i tahink 2 ya 3 kilo meter per litter ho gai hy please need expert advice. cng py average theek hy plz wah main koi mechanic batain jo ye problem solve kar saky. regarda