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Old 05-01-2013, 07:05 PM   #1 (permalink)
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Default As I adjust the air mixture screw gazolina?

greetings to all fellow members
let me introduce myself. My name is hugo and I'm from Costa Rica and I can hardly the English and the suzuki samurai apacionan me and it is for this reason that I have come to joining this forum to know more of suzuki car for reasons that in CR conose very little, especially the original carburetors haci making new friends.
Please 'I apologize for the translation.

My first question for you.

as I adjust the air mixture screw gazolina?
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Old 05-01-2013, 07:12 PM   #2 (permalink)
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my hitachi carburetor is the original model is not that.
thanks for the answers
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Old 05-06-2013, 10:29 AM   #3 (permalink)
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If I am interpreting correctly, you have the original Hitachi Carb.

If that is correct, then you shouldn't adjust the fuel mixture screw. It's located behind a blocking pin that has to be tapped out with a punch and hammer. If you are adjusting that screw, you need to have a wide band Oxygen sensor and air/fuel mixture gauge to set the mixture.

some of the settings that you CAN adjust are: cold Idle, Hot Idle, and... I think that's it.
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Old 05-14-2013, 04:28 PM   #4 (permalink)
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the mixture screw is out of adjustment, and it has the pin, I think that this maladjusted gas guzzler and I would like to adjust as Gabrica. any idea
thanks
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Old 05-15-2013, 05:49 PM   #5 (permalink)
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if the pin is still in it, then it hopefully is still set correctly. Are you sure that all of your vacuum lines are in proper order? If the vacuum lines are not in the right place or if they are old and not making a good seal, then it will run bad. If you have a vacuum leak on any of the hoses, or at the throttle body or intake manifold, then it will make it run lean. If your EGR system is not working right and is stuck open it will make it run too rich. If your EGR valve is leaking it will run too lean. If your fuel tank vent is blocked or obstructed the fuel pump will have a hard time sucking fuel from the tank and you will run lean. If your one way valve on the Deceleration "Mixture Control Valve" is sticking then you will run too lean or rich when decelerating. If your Hot idle compensator in the air intake case (hat) is malfunctioning you will run too rich or lean when at idle.

There are so many things that control your air fuel mixture that the odds of it being the mixture screw on the throttle body that has a locking pin over it, is pretty minimal. If you insist on setting the mixture screw, then first install a wide band oxygen sensor in place of the stock oxygen sensor on the exhaust. Next get an air-fuel mixture gauge to tell you how lean/rich/stoiche the exhaust is and hook it up to your new Oxygen sensor. Warm up the engine and put the vehicle on a rolling dynometer and run it at mid RPM range. Check your A/F gauge and adjust the mixture screw untill it reads stoiche.
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Old 05-17-2013, 09:43 AM   #6 (permalink)
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Bienvenido al foro, Hugo!
Segun entiendo, quieres ajustar el carburador para que quede como de fábrica. Estos carburadores aparentemente no se descalibran, ya que vienen sellados de fábrica con un pasador.
Si aún quieres intentar ajustarlo, tienes que hacerle un barreno pequeño al extremo cerrado donde está el pasador y golpear éste usando un clavo y martillo.

Mi Samurai tiene un Weber 32/36 DGV instalado (lo compré así) que no me da problemas para nada.
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Old 05-17-2013, 07:40 PM   #7 (permalink)
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saludos 1NKY DESDE C.R ( 06:30 P.M)
Gracias por la ayuda, si efectibamente es el tornillo que quiero ajustar por el motibo en que cuando lo copre los mecanicos lo desajustaror y perdieron el sello de segurida,y me gustaria ajustarlo como de fabrica y despues sellarlo.

1NKY greetings FROM C.R (6:30 P.M)
Thanks for the help, if the screw is efectibamente want motibo adjusting for copper that when it desajustaror the mechanical seal and lost Restraint, and I would like to set it as the factory and then seal it.
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Old 05-17-2013, 09:14 PM   #8 (permalink)
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Normalmente la computadora ajusta la mezcla automaticamente a través de un solenoide dentro del carburador (mixture control solenoid valve o MCSV (válvula solenoidal de control de mezcla).
Según recuerdo, si desajustaron el tornillo externo, requiere el uso de un "Dwell Meter" para su recalibración.
Yo sugiero que lentamente cierres el tornillo hasta que asiente suavemente (anotando la cantidad de vueltas que le díste) y abrirlo exactamente 2 vueltas, ya que leí en otro foro que era la cantidad de vueltas que tenía de fábrica.
Si corre peor, puedes volver a ajustarlo a la cantidad de vueltas que tenías antes.

Normally, the ECU adjusts fuel mixture automatically via the mixture control solenoid valve (MCSV) inside the carburetor.
If I recall correctly, if they maladjusted the outer mixture control screw, you'll need a dwell meter for recalibration.
I suggest you turn in this screw slowly until it seats gently (remember the number of turns you gave it) and turn it out exactly 2 turns, which is what someone posted on another forum was their stock setting.
If it runs worse, you can always turn it back to your default setting.
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Old 05-18-2013, 12:44 PM   #9 (permalink)
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OK BUSCARE UN dwell meter

OK SEEK A dwell meter
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Old 05-18-2013, 04:31 PM   #10 (permalink)
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Tengo el manual de suzuki. es uno de color verde
puedes ayudarme a traducir y a entender la seccion 8,9 y 10 de la pagina 1-16 por que no entiendo. al traducirlo. por favor gracias.

I have suzuki manual. green one
you can help to translate and understand Section 8.9 and 10 of page 1-16 for I do not understand. to translate. please thanks.
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