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Thread: Cultus EFI 2007 CNG problem

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    Default Cultus EFI 2007 CNG problem

    mari CNG ma jhatkay kati ha local driving ma main road driving is OK.

    can any body tell what could be the problem cause many technicians told me lots of things so i am confused done tuning 2 times but still no result i am forces to drive on petrol in local areas like streets on low gears or in low speed in CNG jerks problem on main road CNG is OK.


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    Check spark plugs, distributor, plug wires...

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    Bad valves,distributor,ignition timing or bad plug wires..
    Most chances are of plug wires and also service your distributor


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    how much spark plugs are used ?
    first check distributor then spark plug wires
    The best car safety device is a rear-view mirror with a cop in it.

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    Thanks to ALLAH i went to Suzuki motors I-9/4 Isb. They did full tuning CNG cylinder and kit cleaning lots of oil were there and also changed CNG contorller switch with EFI unit and Engine plug wires complete set changed i took used original cables. Problem resolved the car is as smooth as its brand new ........... love to drive it now.

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    how much did it cost... i have the same problem and am forced to drive on petrol in local

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    Quote Originally Posted by waqas3003 View Post
    Thanks to ALLAH i went to Suzuki motors I-9/4 Isb. They did full tuning CNG cylinder and kit cleaning lots of oil were there and also changed CNG contorller switch with EFI unit and Engine plug wires complete set changed i took used original cables. Problem resolved the car is as smooth as its brand new ........... love to drive it now.
    How much it cost you?

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    will u plz tell me any right option or setting in cultus to overcome the fog that covers the windscreen and rare screen due to variation in temperature in winters

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    Quote Originally Posted by waqas3003 View Post
    mari CNG ma jhatkay kati ha local driving ma main road driving is OK.

    can any body tell what could be the problem cause many technicians told me lots of things so i am confused done tuning 2 times but still no result i am forces to drive on petrol in local areas like streets on low gears or in low speed in CNG jerks problem on main road CNG is OK.
    Jhaktas on CNG are becauseo of only two reason...nothing else..
    1) Poor CNG settings
    2) Poor current to plugs...could be because of bad plugs, Damaged HT wires, poor coil or distributor fault(although very rare)....
    NiGhT ShAdE>>~

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    I had the same problem...went to CNG mechanic and installed two in one Advancer and emulator..carried out complete CNG tuning and now the car is Malae...consumption has improved manifold....do check this aspect of advancer and emulator is not installed in ur cultus.....

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    Quote Originally Posted by proud_pathan24 View Post
    I had the same problem...went to CNG mechanic and installed two in one Advancer and emulator..carried out complete CNG tuning and now the car is Malae...consumption has improved manifold....do check this aspect of advancer and emulator is not installed in ur cultus.....
    Emulator is used to fool ECU that injectors are working, to prenvent check engine light coming on..so that ECU behaves normally.....so it could be a issue
    As for advancer it if for cars having electronically controlled spark timing like Baleno or Liana having waste spark ignition system or for City,Corolla etc having separate coil for each cylinder directly being controlled by ECU... Cultus having G10B although is EFI but has a mechanical distributor so advancer is unnecessary...
    NiGhT ShAdE>>~

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    it already had an landi renzo emulator but it was not resolving the problem .... how come it has started working much much better and improved its performance

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    I don't know but the function and working on emulator and advancer is 110% as described in my previous post...and the use of advancer to advance the timing of a mechanical distributor simply doesn't seems practical although i know there are advancers in market claiming to advance the timing of cars having distribuotor in them...
    NiGhT ShAdE>>~

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    Race brother ................ its 1400 labor cost and if CNG kit pistons of some thing inside it have issue or need replacement then its up to you cause in any case i only take Suzuki original parts no local parts so it cost me total of around 4000 rupees including my cng cylinder valve faulty it was repaired there is CNG control kind of switch close to EFI unit that was 3500 so totally i spent 5000 rupees and now its excellent

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