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  1. Join Date
    Jul 2010
    Posts
    166
    #1
    mga sir, bagong top overhaul po kotse ko corolla xe, nagpalit na rin po ako piston ring. okay naman po, nawala yung mausok sa tambutyo ko, pero after 2weeks kinapa ko yung loob ng tailpipe ko may parang carbon po sya. medyo makapal. bakit po kaya?

  2. Join Date
    Sep 2008
    Posts
    630
    #2
    malamang residue pa yan before OH.

  3. Join Date
    Jul 2010
    Posts
    166
    #3
    pero nilinis ko naman po yung tailpipe ko after ko magpa overhaul. after 2weeks nagkaron ng carbon

  4. Join Date
    Jul 2009
    Posts
    4,078
    #4
    Kung makapal ang carbon na maitim pa check mo air fuel mixture ng carburator rich ito . Dapat kulay iyong parang nagkakalawang na brown at manipis lang . Pag long driving naman mapupuna mo na namumuti ang carbon sa end ng tailpipe ibig sabihin lang nito maganda sunog ng makina at kondisyon ito . Subukan mong bumiyahe kahit sa NLEX para lumabas ang mga carbon at makondisyon makina mo .Kung city driving lang hindi mailabas ang mga carbon nito.

  5. Join Date
    Feb 2009
    Posts
    5,130
    #5
    Quote Originally Posted by devond View Post
    pero nilinis ko naman po yung tailpipe ko after ko magpa overhaul. after 2weeks nagkaron ng carbon

    check the engine vacuum at idle speed, check the ignition timing and check your air induction for restriction. a clogged air filter can do this symptom even for new cars. the air/fuel mixture also, if it is too rich will cause a lot of unburnt or incompletely burnt fuel. if the available voltage from the ignition coil is insufficient or too low, it is unable to provide a hotter spark.

carbon at tail pipe