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Thread: Suzuki Cultus CNG PETROL RPM ISSUE

  1. #1
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    Default Suzuki Cultus CNG PETROL RPM ISSUE

    Dear PW members,

    I have a 2007 Cultus VXR CARBY my car on petrol stays at 1500rpm while when i switch the A/c on it goes to 2000 meanwhile my CNG rpm on idle is fine.Have been to mechanics and they say that either i can have setting for petrol or CNG but not both....


    Is this a common issue and can it be resolved?


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    The ff cng carburetor worked on both fuels, mechanic needs an update.

    This car is supposed to idle at 750 rpm
    haters gonna hate, potatoes gonna potate

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    There is a some problem,need to be fixed.First get it tuned on petrol then on cng.
    Never loose hope in life,every step gives u something.

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    Default

    Quote Originally Posted by margallar View Post
    The ff cng carburetor worked on both fuels, mechanic needs an update.

    This car is supposed to idle at 750 rpm
    cultus carby cannot idle smoothly at 750 rpms.the best idle i got was 950 rpms.while cultus efi idles at 700 rpms without any vibrations.
    @OP get your car tuned on petrol first and then on cng.pretty easy job.
    Just Do It Your Self!!!!!

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    i've recently bought a cultus 05 and i have noticed EXACTLY same problem in my ride which OP has mentioned

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    Quote Originally Posted by umarkhan1 View Post
    cultus carby cannot idle smoothly at 750 rpms.the best idle i got was 950 rpms.while cultus efi idles at 700 rpms without any vibrations.
    @OP get your car tuned on petrol first and then on cng.pretty easy job.
    i wrote margalla idle speed by mistake, i agree, it should more, since it is 3 cylinder
    haters gonna hate, potatoes gonna potate

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    get ur car tuned on petrol then convert to cng and set idle rpm through idle adjustment screw on cng kit

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    Default

    Quote Originally Posted by hatimislam View Post
    Dear PW members,

    I have a 2007 Cultus VXR CARBY my car on petrol stays at 1500rpm while when i switch the A/c on it goes to 2000 meanwhile my CNG rpm on idle is fine.Have been to mechanics and they say that either i can have setting for petrol or CNG but not both....


    Is this a common issue and can it be resolved?
    if its a factory fitted cng then it must be equipped with an advancer plz check if it is working or bypassed by mechanic there must be a huge dif in cng-petrol rpms even w/o A/C?

    just my 2 cents

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    how to check if the cng kit is FF?

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    look for advancer a box with wires attached under the glove box with stap 00b written on it after market installers don't use it much often but it sure does come in ff cng dats the point

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