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  1. Join Date
    Mar 2011
    Posts
    36
    #1
    guys help me this is my problem with my isuzu hi lander slx 4JA-1 engine. sa umaga pag unang starts ko siya white ung usok niya then mausok talaga and bad odor then afterwards pag medyo naginit na ung makina ko nagiging black naman na pero ung bad odor and lakas ng usok andoon padin never pako nag pa calibrate or tune up? help niyo naman po ako anu kaylangan ko ipa check and ayosin sa hi lander ko. although may mga nabasa ako sa mga thread na given na daw sa mga isuzu engine 4JA-1 ang white smoke and mausok talaga. is that true?

  2. Join Date
    Aug 2004
    Posts
    22,702
    #2
    A little white smoke on start-up is normal. Nasty smelling white smoke is not.

    Black smoke should only occur during hard acceleration... if it occurs even at idle or low rpms, then you have a problem.

    Have your pump and injectors calibrated, check the water separator and double check that your radiator isn't half-filled with mud.

    Ang pagbalik ng comeback...

  3. Join Date
    Mar 2011
    Posts
    36
    #3
    Quote Originally Posted by niky View Post
    A little white smoke on start-up is normal. Nasty smelling white smoke is not.

    Black smoke should only occur during hard acceleration... if it occurs even at idle or low rpms, then you have a problem.

    Have your pump and injectors calibrated, check the water separator and double check that your radiator isn't half-filled with mud.
    sir parang hindi na normal ung white smoke on start-up kasi usok niya hindi na tolerable compare before so napansin ko na something wrong na talaga. medyo madumi na nga radiator ko sir anu po gawin ko anu dapat ko ilagay or dapat ko na pabaklas then palinis?
    then balak ko nga din po magpa calibrate sana maayos.

  4. Join Date
    Aug 2004
    Posts
    22,702
    #4
    I'd suggest doing a compression test. If there's oily gunk in the radiator, it's possible your headgasket's shot.

    Ang pagbalik ng comeback...

  5. Join Date
    Apr 2008
    Posts
    6,235
    #5
    Kahit normal na medyo mausok ang 4JA1, hindi naman ganon at wala namang ganong usok ang Hilander mo dati diba? So hindi talaga tama yun. Unang una siguro subukan mo palitan ang mga langis at tubig, magpalinis ng injector nozzles (or replace if necessary), linisin yung air filter at siguro baradong barado na 'yon, and then linisin ang tailpipe. Kung hindi malubha ang kondisyon ng makina mo, siguro pwede na to.

  6. Join Date
    Mar 2011
    Posts
    36
    #6
    Quote Originally Posted by GTi View Post
    Kahit normal na medyo mausok ang 4JA1, hindi naman ganon at wala namang ganong usok ang Hilander mo dati diba? So hindi talaga tama yun. Unang una siguro subukan mo palitan ang mga langis at tubig, magpalinis ng injector nozzles (or replace if necessary), linisin yung air filter at siguro baradong barado na 'yon, and then linisin ang tailpipe. Kung hindi malubha ang kondisyon ng makina mo, siguro pwede na to.
    uu sir tama dati hindi ganon cgro nga papalinis ko na lahat dapat palinis kasi never pa na calibrate to e. student lang kasi ako kaya not enough time para maasikaso. pero my mga nakikita ako mga hi lander din mausok din talaga kaya parang medyo hindi ako kinakabahan ang problema ko lang talaga is ung white smoke.

  7. Join Date
    Mar 2011
    Posts
    36
    #7
    Quote Originally Posted by niky View Post
    I'd suggest doing a compression test. If there's oily gunk in the radiator, it's possible your headgasket's shot.
    ok sir thank u po this weekend palang po ako mag pa check balitaan ko nalang po kyo sa magiging result. thank you po ulit

white smoke when the engine starts. turns black afterwards