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Thread: Help me please..!!! Engine check light on CNG HONDA City 2007

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    Default Help me please..!!! Engine check light on CNG HONDA City 2007

    guys i am having a trouble. when ever i drove my car on CNG it given check engine light. i have done with CNG kit service, throttle body service, Plug cleaning etc. CNG mechanice attached computer with my car and saw that this is Oxygen sensor alarm but he said that ur oxygen sensor is working properly, this is a comon issue in City 07 model so its not at all dangerous

    that check engine light appears randomly. like sometime twice a day sometime once in a week. but as soon as the alarm appears i stop the car. shut it down, restart it and Alarm just wanish away.

    can anyone guide me whats the issue?

    i have got filter changed as well. after filter change i didnt get check engine alarm for 2 weeks but now its again there.

    also there is noooo such issue at petrol. Plus my car is giving me the average of 135 in local with AC.
    Before you criticize someone, Make sure you are better than them.............

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    happens when alterations are done. as far as ur explanation goes, nothing is wrong with ur car. no need to worry.

    my two cents.

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    i have got same issue with city 08 and when i showed it to honda 3S workshop,they checked it and told me nothing to worry about it,its just due to alteration.

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    same my mechanic told me that i have checked through computer and there is absolutly no problem but the thing worries me is that. God forbid if there wud be some other problem in engine and engine check light would turn on then i ll ignor it thinking that its due to CNG
    Before you criticize someone, Make sure you are better than them.............

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    hav u installed lambda emulator. if not then ur car will keep giving CEL

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    either get the right emulator installed
    or check its wiring or functionality (its working or not)
    CNG installers make a fool out of people by installing the wrong emulators or screwing up the wiring and then by saying......yai cng par to on hi rahay gi(which is wrong)
    Life is short and very unpredictable just like a Quarter mile .....

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    well yesterday he did some setting using laptop again. now the error disappeared and havnt seen it since yesterday.
    Before you criticize someone, Make sure you are better than them.............

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    Quote Originally Posted by irfan44 View Post
    hav u installed lambda emulator. if not then ur car will keep giving CEL
    Lambda emulator ??
    Quote Originally Posted by hash4u View Post
    either get the right emulator installed
    or check its wiring or functionality (its working or not)
    CNG installers make a fool out of people by installing the wrong emulators or screwing up the wiring and then by saying......yai cng par to on hi rahay gi(which is wrong)
    100 % agreed with you.


    @poster:

    To get rid of CEL, you need to install an oxygen sensor emulator. it will cost you around 1200/ to 2000/- rs. What it does is that it bypasses the readings from o2 sensor when the car is switched on petrol. the dummy readings are sent to ECU determining that oxygen emissions are ok. Rest (Hash4u) can describe best.
    This CEL for o2 does effect the performance when u switch back to petrol. I have personal experience
    Solar Hunter armed with a whip and a leash

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    I have same issue please suggest some mechanic, in addition to this I am also facing EPS light switching on after sometime and when I switched off engine and switch it on again the problem disappears for sometime

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    I have same issue. Dear friends please suggest good mechanic in Peshawar or Rwp/ Islamabad.
    >>>>>>Toyota Corolla GLI Ecotec- A power Machine<<<<<<

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    Anyone pls
    >>>>>>Toyota Corolla GLI Ecotec- A power Machine<<<<<<

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    it isc due to cng ventri which blocks air
    Muhammad Ali Murad

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    @kashif and @mk
    if the engine check light is permanently on when on cng you need the right emulator/wiring
    if it appears randomly/ignore it

    for eps light go to any efi workshop with scanner.they would reset and fix the code
    Life is short and very unpredictable just like a Quarter mile .....

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    what is CEL?
    Check Engine Light?

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    Guys. I have sold that city. after using it 2 years. And now bought new city .

    That engine check light is due to Oxygen sensor. Ignore it if it's not permanent


    Sent using portable handheld device.
    Before you criticize someone, Make sure you are better than them.............

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