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  1. Join Date
    Nov 2007
    Posts
    104
    #11
    White smoke on cold start is caused by water that is trapped on the exhaust, that evaporates and being seen as white, vapor type.

  2. Join Date
    Dec 2007
    Posts
    710
    #12
    Quote Originally Posted by ryel View Post
    ask ko lang kung may problema na ba sa engine or normal lang ang paglabas ng puting usok sa tambutso.... ano kaya ang symptoms nito or yung maaaring maging problema later?: wonder:
    White smoke on initial start up (but dissapears when the engine is already at its normal operating temps) = worn out Valve Stem Seals.

    White w/ Bluish smoke while driving (specially on load) = Blowby / worn out Piston Rings. (bad Turbo seals.. if the car/truck is turbocharged)

    White smoke (more like a smoke machine! lolz!..) while driving = Blown Head Gasket / Cracked Cylinder Head.

    Black smoke on initial start up and while driving (on Gasoline engines) = AFR's (Air & Fuel ratio) running too Rich.

    Black smoke on initial start up and while driving.. specially if your on the throttle! (on Diesel engines) = somewhat NORMAL! lolz..

    and then..

    White smoke (more like "steam") from initial start up = is called Water Condensation. normal lang ito.. specially pag may tubig na pumapatak sa labas ng exhaust tip. doon sinasabi na "healthy" ang makina mo.

    hope this helps..


    aite, peace.

  3. Join Date
    Dec 2007
    Posts
    710
    #13
    Quote Originally Posted by mm15744 View Post
    Mga sir, yung sa akin eh lumalabas eh manipis na bluish smoke pag nirerev ng malaks, pag naka idle wala naman. Sabi nung isang talyer na pinagtanungan ko, idrain ko daw ang gas tank, then pa gas ng bago... Ang kotse ko po ay bigbody gli 93 model. 2 to 3 times a week ko lang po nagagamit car ko for an ave 15km per gamit. Ksi po nagmumutor po ako malimit ngayon dahil sa mahal ng gas eh.

    Please advise naman po dun sa bluish na usok pag nirerev, mga spark plug are tuyo, brownish ang sunog.

    Maraming salamat po.
    lolz.. well, walang kinalaman ang gasolina sa problema ng kotse niyo po sir. may blowby na po makina niyo (most likely worn out piston rings). pero check niyo muna ang PCV valve.. baka barado.


    aite, peace.

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White Smoke!!