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  1. Join Date
    Aug 2005
    Posts
    364
    #1
    For gasoline car IMO is normal coz cold start nga po,malamig pa engine and pag uminit na eventually wala na rin yung smoke.Black smoke naman po kasi for diesel if may problem.

  2. Join Date
    Jul 2003
    Posts
    17
    #2
    Quote Originally Posted by monsrick View Post
    For gasoline car IMO is normal coz cold start nga po,malamig pa engine and pag uminit na eventually wala na rin yung smoke.Black smoke naman po kasi for diesel if may problem.
    i think you are referring to water vapor. yun din akala ko nung una pero un sakin iba, un parang blow by engine sya pag bumuga parang pugon eh

  3. Join Date
    Jan 2006
    Posts
    1,682
    #3
    Its possible that oil can enter the combustion chamber at starts ups because walang pang heat and pressure to push the piston rings against the cylinder walls. Parang what happens to firecrackers pag suppot. While the engine gets older a tight seal loosens and eventuially leads to blow by. Remember also that cold engine burns richer fuel to attain NOT then leans when it does.

  4. Join Date
    Dec 2003
    Posts
    4,241
    #4
    this is just normal for morning start ups for the engine...
    no problem at all..

    * monsricks black smoke for diesel engines are normal too.. wag lang yung bluish white na usok, medyo hindi na maganda yun..

  5. Join Date
    Nov 2003
    Posts
    3,848
    #5
    check the pcv... it could be that.

  6. Join Date
    Jul 2006
    Posts
    145
    #6
    Mga Guru, yung kotse ko GLI bigbody 93 model, ganito naman ang observation ko: Pag start sa umaga, magtutubig ang tambutso tapos white na vapos ang nalabas pero pag medyo mainit na mawawala, as in wala kang makikitang kahit anong usok. Pero pag ni-rev mo yung engine lalabas ang usok kulay blue. habang nirerelease nawawala naman. nangyayari lang pag nirerev ng malakas. Ano po kayang problem nito, di naman po basa ang spark plug. May nagsabi sa akin idrain ko daw yung gas tank then saka mag pa gas ng bago. Please advise po.

  7. Join Date
    May 2007
    Posts
    2,328
    #7
    Quote Originally Posted by mm15744 View Post
    Mga Guru, yung kotse ko GLI bigbody 93 model, ganito naman ang observation ko: Pag start sa umaga, magtutubig ang tambutso tapos white na vapos ang nalabas pero pag medyo mainit na mawawala, as in wala kang makikitang kahit anong usok. Pero pag ni-rev mo yung engine lalabas ang usok kulay blue. habang nirerelease nawawala naman. nangyayari lang pag nirerev ng malakas. Ano po kayang problem nito, di naman po basa ang spark plug. May nagsabi sa akin idrain ko daw yung gas tank then saka mag pa gas ng bago. Please advise po.
    Baloney!
    Well, not a bad idea also to drain and clean the gas tank to remove water or any other residue that accumilated in time that caused harmful to engine. Anyway, water from the tailpipe is a normal condition. One of the byproducts of the catalytic converter process is, transforming harmful vapors into.....not so harmful vapors. One of those is water vapor, the vapor will condense on the exhaust pipe walls and accumulate inside it. If you notice, there is a hole in the bottom of the muffler to allow the trapped water to escape and it will also drip from your tailpipe once you start your car.

  8. Join Date
    Jul 2003
    Posts
    17
    #8
    Quote Originally Posted by speedyfix View Post
    check the pcv... it could be that.
    Thanks sa reply ano po un PCV san ito makikita?

  9. Join Date
    Nov 2003
    Posts
    3,848
    #9
    bluish smoke means burning oil. could be a busted valve seal or worse piston rings na busted na.

  10. Join Date
    Jan 2003
    Posts
    2,355
    #10
    Quote Originally Posted by karlbo View Post
    this is just normal for morning start ups for the engine...
    no problem at all..

    * monsricks black smoke for diesel engines are normal too.. wag lang yung bluish white na usok, medyo hindi na maganda yun..

    pag blusih white smoke anong ibig sabihin nun?

Thick white smoke during cold start?