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 NGV Problems
 Car jerking when engine in cold condition
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CrazyFrog
Starting NGV Member

NGV:Yes
Since:May 2009
Proton
wira 1.3
(Fuel Injection)

Malaysia

18 Posts

Posted - 28/07/2009 :  12:52:29 PM  Show Profile  Reply with Quote
Hi All,
I have facing my car (Wira 1.3 Injection) jerking (like horse riding) when engine in cold condition (morning or more than 4hrs engine stop) both in petrol and gas operation mode.
But after about 15min on the road run,engine running already in hot condition both petrol and gas operation is fine - the jerking is dispear..

Change my plug NGK BP6ES for many2 times.
Change spark plug cable few time
Change distributor
Change injectors c/w fuel rail
Change timing belt,belt sproket
Change water pump
Change fuel pump
Carry out Thoarter body thouroug clean

But problem still remain
Can anyone give some ideas why still jerking during cool run ?

Thank you

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sohengguan
Average Member

NGV:Yes
Since:Feb 2008
Proton
Iswara 1.5(A)
(Carburetor)

Malaysia

214 Posts

Posted - 28/07/2009 :  4:35:25 PM  Show Profile  Visit sohengguan's Homepage  Reply with Quote
You might want to state what type of NGV system you are using.
Is it mixer or sequential type?

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CrazyFrog
Starting NGV Member

NGV:Yes
Since:May 2009
Proton
wira 1.3
(Fuel Injection)

Malaysia

18 Posts

Posted - 28/07/2009 :  7:28:05 PM  Show Profile  Reply with Quote
quote:
Originally posted by sohengguan

You might want to state what type of NGV system you are using.
Is it mixer or sequential type?



Thank you for your reply,i am using mixer type from Torrisetto Achelle

Regards
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sohengguan
Average Member

NGV:Yes
Since:Feb 2008
Proton
Iswara 1.5(A)
(Carburetor)

Malaysia

214 Posts

Posted - 28/07/2009 :  7:50:06 PM  Show Profile  Visit sohengguan's Homepage  Reply with Quote
CrazyFrog,
To be frank, I can't really help.
My car is carburetor using mixer...

Anyways, with the information that you are using mixer type.
Some of the forumers would be able to help...
But according to my understanding, mixer type are less stable compare to sequential.

I believe you install on May 2009 right.
Did the problem happen right after installation?
Or it happen after a while?
The more information you provide, the better the forumers can help...
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bwlim
Average Member

NGV:Yes
Since:Jan 2005
Proton
Wira 1.6XLi
(Fuel Injection)

Malaysia

205 Posts

Posted - 28/07/2009 :  10:14:49 PM  Show Profile  Reply with Quote
Something very wrong with the setting or tuning as even in petrol mode you face the same problem. you should go back to the installer.
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drxander
Moderator

NGV:Yes
Since:Aug 2004
Proton
Iswara 1.5
(Carburetor)

Malaysia

102 Posts

Posted - 28/07/2009 :  10:51:12 PM  Show Profile  Visit drxander's Homepage  Click to see drxander's MSN Messenger address  Reply with Quote
Dear Crazyfrog,

Just have your your hot water installed at your reducer. It is likely there is not hot water running into the reducer to build up the heat, to avoid freezing. In addition, you will notice an increase in NGV power if there is hot water recirculation. Even in tropical country, we must overcome the Joule-Thomson effect in NGV reducers (particularly in stage 1).


Or check your original Autochoke for morning start.drx

Edited by - drxander on 28/07/2009 10:53:22 PM
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purple_EJ7
Average Member

NGV:Yes
Proton
Wira 1.3 (M)
(Fuel Injection)

Malaysia

248 Posts

Posted - 29/07/2009 :  2:48:14 PM  Show Profile  Visit purple_EJ7's Homepage  Reply with Quote
CrazyFrog,
Your engine is using Siemens or Mitsubishi ECU?

http://www.anggunbistari.co.cc/
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geoffreylee
Advanced Member

NGV:Yes
Since:Jul 2008
Proton
Proton Perdana
(Fuel Injection)

Malaysia

730 Posts

Posted - 18/08/2009 :  3:21:57 PM  Show Profile  Send geoffreylee a Yahoo! Message  Reply with Quote
Please check the spark plugs or distributer as have resolved mine after change the faulty old distributer and plugs

Let me invited you to join the Facebook group "NGV Car Owner (Malaysia) ".

http://www.facebook.com/p.php?i=745707545&k=3212YYR6PT2EXBG1XB2&oid=16296154366

Thanks,
NGV Car Owner (Malaysia)


Pls share your experience in the forum.. may it be bad or good.

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