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Thread: Misfiring and Air Filter Popping from Santro GV

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    Default Misfiring and Air Filter Popping from Santro GV

    Hello Friends;

    Ive bought a 04 Santro recently and the car is mis firing on CNG & the air filter cover pops open. I have changed the spark plugs and put in Brisk 3 Tip plugs (which are performing very well on my friends santro).

    My usual mechanic has diagnosed that the cam sensor grip needs to be changed and its because of it that the car is misfiring.

    My CNG mechanic says that you need to change the cam grip and if still the car misfires change the plug wires and if that doesnt solve it then change the coils.

    We took the car to Hyundai Township in order to get 'specialized care & experience'


    First the Hyundai guys said that you need a 3 tip plug in santro, then they adjusted some CNG settings and said the cars ok. Now I & my brothers feel the misfire but Hyundai guys refuse to accept that there is something wrong with how the car is driving. Are they in denial or something?

    Anyways is there someone who went through similar experience and went on to rectify it successfully?

    P.S. I feel that this is an electrical issue but it happens only on CNG so posting it here.

    Regards;

    Omer


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    Default

    yes for my car the popping went away after i changed the cables

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    Default

    wire changing is the only solution. same problem with baleno

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    Default Ok ... My cents about misfire

    I have 2007 santro, and had misfire problem.

    My mechanic was very straight in telling that most mechanic including me cannot pin point on the reason directly.
    There is a hit and try required, and each need to changed in sequence.

    1) Plugs (may be not functioning proper due to gap) - they mainly ignite.
    2) Plug Wire (Sometimes connections are not proper in flowing the current to plugs)
    3) Coil (sometimes it don't generate enough current due to malfunctioning)

    First time the culprit were plugs gap and second time it was the coil. Best would be to take a good santro along with bad, and exchange the items one by one and when issue is confirmed, purchase the required thing.

    Most people waste lot of money in buying items that are later tested as good and not need to be changed.

    Another item could be the head, that may have leaking grip, but it rarely happens.

    If someone don't find a good santro to test things, the plugs and plugwires are usually same in small cars and can be verified easily. For coil, go to Gulf Autos (near aisha manzil), they usually have repaired coil that they allow to be checked in case of backfire.

    Hope my experience help someone.

    Thanks to Mechanic (Mustaqeem Sb - Karachi U.P., Next to U.B.L bank) who told me clear facts and didn't make money buy playing with this process. For someone in karachi searching for trusted mechanic who don't play with customers, go there.

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    Default

    there you go
    i was in the same situation as you are now

    at the end what i found was the issue of coil i changed it coils,they are 2 with a set of two coil on each side simply just change the coils your problem will be solved i will assure you this thing
    regards
    -

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    Default popping of the air cleaner box

    simply change the air cleaner box clips on the top and install new clips.
    this will do the trick.
    i faced the same problem in santro too.
    The owners of Simla Cloth Stores.

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