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Thread: Mehran check engine light "ON"

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    Default Mehran check engine light "ON"

    Mileage 4000km.
    Car is cng converted. Filled CNG for 2nd time and it started missing and give a jerk at 25% throttle. So i myself tuned it but nothing happend. Then i advanced the timing and "CEL" came on.
    I am unable to get any error codes because mehran does not support OBII ELM327.
    The best car safety device is a rear-view mirror with a cop in it.

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    Not a single reply.
    Anyhow i fixed the problem myself. Check light turned on because of half blocked intake for cng. And it goes off as soon as throttle is pressed.
    Missing problem is also gone by again blocking intake from half to 3/4.
    Now car is smooth but still gives one small jerk upon sudden accelration.
    The best car safety device is a rear-view mirror with a cop in it.

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    is it mehran euro II. because this is 1st time am reading a 'CEL' reported over this forum, pardon me for my ignorance
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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    I didn't know Mehran even had a CEL.

    Sent from my Xperia Z C6602 using Tapatalk 4

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    Quote Originally Posted by capsat View Post
    is it mehran euro II. because this is 1st time am reading a 'CEL' reported over this forum, pardon me for my ignorance
    Yes its euro ii CNG converted.
    Another blunder i noticed today that emulator is missing. Injector wires are connected with CNG switch. Means as soon as car is converted to CNG, it cuts off injector current. It works but technically wrong setup.
    The best car safety device is a rear-view mirror with a cop in it.

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    Quote Originally Posted by waqar19 View Post
    Yes its euro ii CNG converted.
    Another blunder i noticed today that emulator is missing. Injector wires are connected with CNG switch. Means as soon as car is converted to CNG, it cuts off injector current. It works but technically wrong setup.
    Sista Milaab of old and new technology I guess
    "Never drive faster than your Guardian Angel can fly."

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    Quote Originally Posted by waqar19 View Post
    Yes its euro ii CNG converted.
    Another blunder i noticed today that emulator is missing. Injector wires are connected with CNG switch. Means as soon as car is converted to CNG, it cuts off injector current. It works but technically wrong setup.

    That's how stupid mechanics/electricians ruin car wiring. Tape work everywhere.

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    bro check light issue is with every efi euro 2 car with cng.these cars are made for petrol only

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    Quote Originally Posted by COOLTAHIR View Post
    bro check light issue is with every efi euro 2 car with cng.these cars are made for petrol only

    Sent from my A20 using PW Forums mobile app
    A little knowledge is a dangerous thing,there is no issue of check engine light if proper cng kit (which is designed for efi car) installed either in euro 2 or in any other car.

    Injector emulator must be used in all efi car to avoid check engine light and as well as to save original electrical wiring.
    Never loose hope in life,every step gives u something.

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    Quote Originally Posted by argtr65 View Post
    A little knowledge is a dangerous thing,there is no issue of check engine light if proper cng kit (which is designed for efi car) installed either in euro 2 or in any other car.

    Injector emulator must be used in all efi car to avoid check engine light and as well as to save original electrical wiring.
    bro first of all mehran's mileage is awsome around 14-17 in city and 15-21 kmpl on highway why shouldd one install cng in it ?

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    I have mehran 2003 model cng there is a problem while i run my car on petrol that my car switch off or become jerking while i fastly accelerate my car or drive it over 70 km per hr.it seems that the petrol is not coming in corborator in desired amount. So i slow down my speed and the car after getting two or 3 jerks again run smooth.i want to know that is there any fuel filter or fuel pump problem or something else.note that my car run on cng very well even at a speed of 110 km per hr and on petrol it doesnt cross 90

    Sent from my A500 using PW Forums mobile app

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    Quote Originally Posted by COOLTAHIR View Post
    bro first of all mehran's mileage is awsome around 14-17 in city and 15-21 kmpl on highway why shouldd one install cng in it ?

    Sent from my A20 using PW Forums mobile app
    Jb apna cng pump ho to haq banta hai
    The best car safety device is a rear-view mirror with a cop in it.

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    Quote Originally Posted by waseemabbasi97 View Post
    I have mehran 2003 model cng there is a problem while i run my car on petrol that my car switch off or become jerking while i fastly accelerate my car or drive it over 70 km per hr.it seems that the petrol is not coming in corborator in desired amount. So i slow down my speed and the car after getting two or 3 jerks again run smooth.i want to know that is there any fuel filter or fuel pump problem or something else.note that my car run on cng very well even at a speed of 110 km per hr and on petrol it doesnt cross 90

    Sent from my A500 using PW Forums mobile app
    Because timing is advanced for CNG.
    You can tune it for smooth running either on petrol or CNG only.
    The best car safety device is a rear-view mirror with a cop in it.

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    Quote Originally Posted by waqar19 View Post
    Jb apna cng pump ho to haq banta hai
    haha then its good bro !

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    Hmmm thankz @waqar19

    Sent from my A500 using PW Forums mobile app

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    Get a better car.

    Sent from my C2105 using PW Forums mobile app

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    Quote Originally Posted by waseemabbasi97 View Post
    I have mehran 2003 model cng there is a problem while i run my car on petrol that my car switch off or become jerking while i fastly accelerate my car or drive it over 70 km per hr.it seems that the petrol is not coming in corborator in desired amount. So i slow down my speed and the car after getting two or 3 jerks again run smooth.i want to know that is there any fuel filter or fuel pump problem or something else.note that my car run on cng very well even at a speed of 110 km per hr and on petrol it doesnt cross 90

    Sent from my A500 using PW Forums mobile app
    Change your fuel pump!
    If you run car too much on cng and keep low or no fuel , fuel pump gets destroyed!
    Always respect your parents

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    what a quick solution

    Quote Originally Posted by adeel86 View Post
    Get a better car.
    4000 km mileage - why not take to suzuki 3s dealership for diagnostics is what is the issue

    rather tuning yourself?

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    Any obd scanner for mehru?

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    Quote Originally Posted by adeel86 View Post
    Get a better car.

    Sent from my C2105 using PW Forums mobile app
    Bought it for local use. From maintenance to running cost its v cheap.
    The best car safety device is a rear-view mirror with a cop in it.

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