Smoke

Surely you will feel uncomfortable when you start car engine,white or black smoke go out from chanel exzoz.When seeing rear-view mirror looked like car on fire.Cannot see what weel off back your car.Ussually it occurring on morning and after long parking.

Actually got two possible why occurence of smoke when engine turn on.Ussually only in vehicle already ill.So,for way you know from where occurence of cause this smoke was by looking in your channel hole exzoz in back side.If channel exzoz rear moisten engine oil?.I yes its mean your piston ring or your cylinder block already loose.If only white smoke that out,its mean only valve seal must be change.Please refer to skilled  machenic  and ask her opinion wheater cylinder block need to bee dug again or replay piston ring only.

                                                              PISTON & O RING

Second way to ensure of cause smoke was by looking exzoz channel also.If your channel exzoz dry,Not oil discharge effect,Its mean the piston ring in good situatian.Smoke only occurring if valve seal has expired or the rubber seal cannot gripped tidy sub the valve.Lubricant oil will enter firefox trough spaceseal that already brokken.The best solution is making top overhaul to change the valve seal.

Valve seal

Valve,valve guide anda valve seal.