lahore mein tou koi mechanic nahin maloom lekin black smoke k sath fire hona matlab ya tou injector leak hai jo petrol over ker raha hai car me engine mein ya ingnition system fail hogaya yani plugs ko current nahin milra lekin mere khayal se ziada chance petrol overflow hone ka hai, zara dhake se start kerne ki try karen shayad start hojae aur jab lamba khari karen tou phir wohi karega tou iska matlab petrol overflow hai aur shayad injector koi leak hai, Goodluck.