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Thread: Cultus Carby Jerks

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    Default Cultus Carby Jerks

    A.A
    I have cultus carby 2007..Recently its engine has been overhauled.new pistons,rings,main big ends changed.carburator also serviced. now it is almost 10k kilometers after overhauling.The problem is very strange.My car losses power at a particular rpm i.e 2200-2300 rpm.It jerks when rpm reaches this.It can reach a maximum speed of 115kmph on cng.i have checked the vacuum advance.checked the centrifugal advance.rotor also snaps back swiftly.checked the pcv valve.
    i use shell helix hx7 10w/40 oil.change interval is 4000 kms.
    the resistance were also checked:

    H.T cable=0.63k
    Cyl No 1=9.74k
    Cyl No 2=9.46k
    Cyl No 3=6.72k ohms

    @Xulfiqar @capsat @smijaz @rustam54 @agoodfriend comments are awaited.

    Just Do It Your Self!!!!!

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    Default

    If it is happening only on cng,then just replace the ignition cable.
    Never loose hope in life,every step gives u something.

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    Default

    Quote Originally Posted by argtr65 View Post
    If it is happening only on cng,then just replace the ignition cable.
    Yp its happening only on cng.i replaced the HT cable.Should I replace the complete set with plugs?
    Just Do It Your Self!!!!!

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    Quote Originally Posted by umarkhan1 View Post
    Yp its happening only on cng.i replaced the HT cable.Should I replace the complete set with plugs?
    Yes,It should be replaced with complete set.
    Never loose hope in life,every step gives u something.

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    Default

    Quote Originally Posted by argtr65 View Post
    Yes,It should be replaced with complete set.
    Which brand do you recommend for plugs and wires?
    Just Do It Your Self!!!!!

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    Quote Originally Posted by umarkhan1 View Post
    Which brand do you recommend for plugs and wires?
    Ultima high performance cable for cng,and spark plug Bosch or Nippon Denso (ND) brand only.
    Never loose hope in life,every step gives u something.

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    Default

    Quote Originally Posted by argtr65 View Post
    Ultima high performance cable for cng,and spark plug Bosch or Nippon Denso (ND) brand only.
    will inform u after replacing
    Just Do It Your Self!!!!!

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