Meri gari (NISSAN DAYZ 2015 MODEL) kafi dino se missing kr rhi hai, chalte chalte missing hone lg jati hai jis vja se petrol b bht kha rhi hai, 1 mechanic ne tunning kr di or plug saf kiye thori behtr hui par still missing kr rhi th, phr 1 k pas gya usne plug replace kia, phr thori dr thk chali or dubara missing shuru kr di, isi tarhan 3-4 mechanics ne kharcha dala par missing ni khatam hui, kch ko mehsus hua 1 cylinder thk se kam ni kr rha, meri gari heat b bht kr rhi hai or radiator pani bhr phenk rha hai, 1-2 mechanics ne kaha hai k head assembly he change krwa do, kya iska solution ni h is k ilawa? koi lahore main acha japnese car ka mechanic bta den ya guide kr den pleaseee