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  1. Join Date
    Oct 2009
    Posts
    13
    #1
    Problema ng kia cd5 91 ko po pag binibitawan yung gas eh mamamatay. Bago pa po mangyari yun eh pina ayos ko muna sa mekaniko yung carb dahil kelangan pang bombahin bago mag start kasi bumababa yung gasoline from carb. Tas after kong di ma start ng 2 days lumabas na yung topak na after ma start, mamamatay yung makina pag hindi inapakan yung gas. Sinubukan na naming taasan yung idle pero sobrang taas naman. Kahit na matagal nang naka on ganun pa rin.. HELP naman about this! Thanks!

  2. Join Date
    Feb 2009
    Posts
    5,130
    #2
    Quote Originally Posted by j3plan3 View Post
    Problema ng kia cd5 91 ko po pag binibitawan yung gas eh mamamatay. Bago pa po mangyari yun eh pina ayos ko muna sa mekaniko yung carb dahil kelangan pang bombahin bago mag start kasi bumababa yung gasoline from carb. Tas after kong di ma start ng 2 days lumabas na yung topak na after ma start, mamamatay yung makina pag hindi inapakan yung gas. Sinubukan na naming taasan yung idle pero sobrang taas naman. Kahit na matagal nang naka on ganun pa rin.. HELP naman about this! Thanks!

    j3plan,
    try cleaning the carburetor first with spray or aerosol carburetor cleaner. clean the linkages and the throat while holding the throttle plate open. then allow the cleaning solvent to evaporate. running the engine with the solvent overloads the catalytic converter and possibly contaminates the oxygen sensor.
    jick

  3. Join Date
    Oct 2009
    Posts
    13
    #3
    Quote Originally Posted by jick.cejoco View Post
    j3plan,
    try cleaning the carburetor first with spray or aerosol carburetor cleaner. clean the linkages and the throat while holding the throttle plate open. then allow the cleaning solvent to evaporate. running the engine with the solvent overloads the catalytic converter and possibly contaminates the oxygen sensor.
    jick
    Sir Jick,
    Thanks for your quick reply! We've already tried cleaning the carb twice before installing the repair kit to fix the hard-start problem. And it seems that it doesn't fix the issue. The mechanic even changed the fuel jet to a larger one. Hmmm.. Really frustrating because it'll be the 3rd "back-job" for the mechanic.
    Thanks a lot sir!

    Jeffrey

  4. Join Date
    Jul 2009
    Posts
    4,078
    #4
    Sa tingin ko hindi kailangan munang palitan ang jet ng mas malaki. And advice ko lang nasa carburator ang problema kailangan mo siguro iyong expert sa carburator hindi lahat ng mechaniko bihasa rito . Kung hindi niya kaya dalin mo sa carburator expert na gumagawa . Sa kamuning may mga gumagawa ng carburator diyan at iyon lang ang ginagawa nila magoverhaul ng carburator. Mangyayari diyan trial and error papalit ng parts titignan kung maayos. Tol suggestion ko lang ito.

  5. Join Date
    Feb 2009
    Posts
    5,130
    #5
    Quote Originally Posted by j3plan3 View Post
    Sir Jick,
    Thanks for your quick reply! We've already tried cleaning the carb twice before installing the repair kit to fix the hard-start problem. And it seems that it doesn't fix the issue. The mechanic even changed the fuel jet to a larger one. Hmmm.. Really frustrating because it'll be the 3rd "back-job" for the mechanic.
    Thanks a lot sir!

    Jeffrey
    jeff,
    have you checked if you have a vacuum leak past the throttle plates? a vacuum leak will give the same symptoms. hook a vacuum gauge to the intake manifold and verify if you have between 17-21 inHg of vacuum. this problem will occur regardless of engine temperature. when you had the first symptom worked on, there is a possibility of a vacuum hose inadvertently uninstalled. there could be a problem with the vacuum brake booster or the PCV valve stuck open.
    jick

  6. Join Date
    Oct 2009
    Posts
    13
    #6
    Quote Originally Posted by speed unlimited View Post
    Sa tingin ko hindi kailangan munang palitan ang jet ng mas malaki. And advice ko lang nasa carburator ang problema kailangan mo siguro iyong expert sa carburator hindi lahat ng mechaniko bihasa rito . Kung hindi niya kaya dalin mo sa carburator expert na gumagawa . Sa kamuning may mga gumagawa ng carburator diyan at iyon lang ang ginagawa nila magoverhaul ng carburator. Mangyayari diyan trial and error papalit ng parts titignan kung maayos. Tol suggestion ko lang ito.
    Sir,
    Yun nga po ang gusto kong mangyari para malaman din kung ano yung sanhi ng problema. Kaso, hindi po ba kaya masira yung tsikot pag bumiyahe ako ng sobrang lakas ng idle? Halos gusto nang pumalag ng makina eh. Tapos anu kaya problema bakit sinisipsip pa baba yung gasolina galing carb?
    Salamat!

  7. Join Date
    Feb 2009
    Posts
    5,130
    #7
    Quote Originally Posted by j3plan3 View Post
    Sir,
    Yun nga po ang gusto kong mangyari para malaman din kung ano yung sanhi ng problema. Kaso, hindi po ba kaya masira yung tsikot pag bumiyahe ako ng sobrang lakas ng idle? Halos gusto nang pumalag ng makina eh. Tapos anu kaya problema bakit sinisipsip pa baba yung gasolina galing carb?
    Salamat!
    jeff,
    who made the carburetor? is it mitsubishi, hitachi? mikuni? aisan? sorry i have no clue what type carburetor you might have. it might be that the metering rods are misadjusted. is it a feedback type carburetor(computer monitored and partially controlled)?

  8. Join Date
    Oct 2009
    Posts
    13
    #8
    Quote Originally Posted by jick.cejoco View Post
    jeff,
    have you checked if you have a vacuum leak past the throttle plates? a vacuum leak will give the same symptoms. hook a vacuum gauge to the intake manifold and verify if you have between 17-21 inHg of vacuum. this problem will occur regardless of engine temperature. when you had the first symptom worked on, there is a possibility of a vacuum hose inadvertently uninstalled. there could be a problem with the vacuum brake booster or the PCV valve stuck open.
    jick
    Sir Jick,
    Whooo.. Yeah, I remembered he pulled something out from vacuum hose. He even reduced the length of it by cutting 2 inches from the other end of it. The small thingy looks like an inch white pear-shaped cap thats located inside the hose. My father told me that it works like a "trap-door" inside the hose, letting the air pass but not to make it go back.
    Thank you so much Sir!

  9. Join Date
    Oct 2009
    Posts
    13
    #9
    Quote Originally Posted by jick.cejoco View Post
    jeff,
    who made the carburetor? is it mitsubishi, hitachi? mikuni? aisan? sorry i have no clue what type carburetor you might have. it might be that the metering rods are misadjusted. is it a feedback type carburetor(computer monitored and partially controlled)?
    Sir Jick,
    I'm sorry but I really do not have an idea who manufactured it. But I know it's the stock. (Kia Pride CD5 '91 mdl)

  10. Join Date
    Jan 2005
    Posts
    445
    #10
    I think this is a case of mis adjusted carburator float or the float valve is stuck closed or open. Or maybe the fuel cut off valve is malfunctioning.

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