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Thread: unable to start suzuki vxr in cng after 1 hour

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    Question unable to start suzuki vxr in cng after 1 hour

    hello friends i am new here,,,,having difficulty while starting my car after 1 hour in cng,,,some mechanics are saying may be the problem is with cng kit,,checked it. it was fine,,then some said the battery isnt working, checked it also working fine.couple of days back one mechanic told me that your car gas kit is weak,,,but the car doesnt heatup, working fine with patrol even if i start it after 4 or 5 days but in cng it cant just after 1 hour please guyz help me out i really need an expert opinion i really dont know wts wrong with my car.

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    Quote Originally Posted by haseeb1011 View Post
    hello friends i am new here,,,,having difficulty while starting my car after 1 hour in cng,,,some mechanics are saying may be the problem is with cng kit,,checked it. it was fine,,then some said the battery isnt working, checked it also working fine.couple of days back one mechanic told me that your car gas kit is weak,,,but the car doesnt heatup, working fine with patrol even if i start it after 4 or 5 days but in cng it cant just after 1 hour please guyz help me out i really need an expert opinion i really dont know wts wrong with my car.
    it has CNG kit
    and cng kit has its own coil and fuse those both get them checked
    Hanjiii Kaa Storeey Eehh !

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    i checked it several times they said nothing wrong with cng kit?

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    Jub gari start na ho rahi ho , to CNG switch ko neutral pa la jao or self do , or phr CNG pa kr k self do
    Start ho jay ge , meri alto k sath b kuch asahe masla tha

    Sent from my LG-F340K using PW Forums mobile app
    Engineer + Car Enthusiast = Awais Jan

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    Check cng fuses and cng has relay which gets weak with time and test current at different points in ignition system

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    Quote Originally Posted by haseeb1011 View Post
    hello friends i am new here,,,,having difficulty while starting my car after 1 hour in cng,,,some mechanics are saying may be the problem is with cng kit,,checked it. it was fine,,then some said the battery isnt working, checked it also working fine.couple of days back one mechanic told me that your car gas kit is weak,,,but the car doesnt heatup, working fine with patrol even if i start it after 4 or 5 days but in cng it cant just after 1 hour please guyz help me out i really need an expert opinion i really dont know wts wrong with my car.
    bro, same thing happened to my Alto VXR..it will never start on CNG..i showed it to so many mechanics..all said xyz issues but asal me masla kuch bhi nahi tha..

    a rishtedaar of mine who was then working in cng sector asked me to come to his workshop..uss ne kuch nahi kia, bus aik wire cut kar k kisi 2 wires ki milaya aur kaha ab you are good to go. believe me, i kept the car for 4 years after that and car started in 1st self on cng..

    issue ye tha that current nahi mil raha tha sahi quantity me to start the car...it was a desi jugaar and he disabled the original Pak Suzuki's current quantity and directly made the current supply, providing more current. my masla was fine.
    so, you too, ask for checking of current and use a higher ampere fuse to make the car ok..

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    the problem is that the carbs jet expand by the passage of time so when you start car jets pump more than required gas in the cylinder and it become hard to burn them so jet the carb rejeted

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    ty bro yahi masla tha nothing waz wrong with the car.........tyz all 4 ur opinions ment alot 2 me

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    Quote Originally Posted by haseeb1011 View Post
    ty bro yahi masla tha nothing waz wrong with the car.........tyz all 4 ur opinions ment alot 2 me
    Exactly kya masla tha?

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    Quote Originally Posted by haseeb1011 View Post
    ty bro yahi masla tha nothing waz wrong with the car.........tyz all 4 ur opinions ment alot 2 me
    what was the problem

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    CNG se jaan chura lo bhai. Petrol sasta ho gya hy ab.

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    shut the cng valve from tank, reopen when you are about to use the car, if it works then go tell a good cng kit workshop, they will know what is wrong, i had this happen but don't recall what was wrong in the kit
    haters gonna hate, potatoes gonna potate

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    Quote Originally Posted by saboor73 View Post
    the problem is that the carbs jet expand by the passage of time so when you start car jets pump more than required gas in the cylinder and it become hard to burn them so jet the carb rejeted
    bhai carburetor ka koi kam ni cng pe
    haters gonna hate, potatoes gonna potate

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    Quote Originally Posted by margallar View Post
    bhai carburetor ka koi kam ni cng pe
    unable to start suzuki vxr in cng after 1 hour -1506118
    I am pretty sure that carb are used to pump cng in engine that also a reason a engine stops if the car didn't burn fuel completely and converted to cng the picture show the location of where cng pipe is attached with carb

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    two things,

    firstly the practice of drilling holes into the carburetor is obsolete, in favour of placing a venturi over the carburetor throat

    secondly, even if you do pass it through the carburetor, the jets aren't doing anything, it probably goes straight to the carburetor throat, the cng kit relies on venturi effect, lower pressure = suction, no work of carburetor
    haters gonna hate, potatoes gonna potate

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