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 NGV Low Pickup, Jerking on Persona
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krokodailhanter
Starting NGV Member

NGV:Yes
Since:Jun 2018
Proton
Persona Elegance 1.6
(Fuel Injection)

Malaysia

2 Posts

Posted - 03/07/2018 :  7:08:48 PM  Show Profile  Reply with Quote
Hi,
Im sorry if the same problem have beend discussed in other topic but since all of them were few years back and inactive, so i decided to post new topics.
Im recently bought 2ndhand Bluemec Cosmos Sequential NGV system and installed to my Persona Elegance 1.6 manual. However the installer inform most of the parts are not working. So I agree to replace with new parts these items:
1. All hoses, cables and clips
2. Bluemec Sensor (sticker is green but need to use setting for Red, installer said his new unit got wrong sticker from factory).
3. Injectors
But until now (1 month), my car did not perform well. The unsolved issues are:
1. Terrible low pickup few seconds after gear shift (especially gear 1).
2. Occassional low power during cruising.
3. Jerking when NGV is low (1 fuel bar)
Since the installer cannot solve after 3 times tuning, i brought it to another tuner which more skilled. He tuned the car while we drive and adjust sort of curve in laptop. Most of the initial problem solve but the 3 remaining problem above still happened. We check my plug n coil but power is in good condition. He said probably my injector rail or my regulator have problem.

Is this true? Anyone have any same experience? Where can i bring my car to check what is the real problem especially to confirm which of my NGV parts have problem..

Please, need seniors advice. TQ in advance.
P/S; plis dont condemn me for buying 2nd hand system..i thought they were okay n not complicated..

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krokodailhanter
Starting NGV Member

NGV:Yes
Since:Jun 2018
Proton
Persona Elegance 1.6
(Fuel Injection)

Malaysia

2 Posts

Posted - 15/07/2018 :  5:55:52 PM  Show Profile  Reply with Quote
Dear all,

I went to workshop and check my engine cylinder compression just check whether have any valve leak.
Found out 1 cylinder have minor leak..around 10% according to mechanic. Is this leak contribute to my car's poor ngv performance?
Throttle body should be ok since installer already check during installation but i will check one more time later.
Kindly give your ipinion please. Tq

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