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#1: car shuttering Author: datsunnismo,

Posted: Tue Apr 07, 2009 5:37 pm
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hi all.......

having this problem quite sometime.. while driving, car shuttering and feel like jerking when reach 2.5k rpm. after tht its normal.

wondering wht's the prob... anybody can help me???

#2: Re: car shuttering Author: chriseunos,

Posted: Tue Apr 07, 2009 5:58 pm
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what engine?

#3: Re: car shuttering Author: datsunnismo,

Posted: Wed Apr 08, 2009 4:36 pm
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m empat puluh

#4: Re: car shuttering Author: datsunnismo,

Posted: Wed Apr 08, 2009 4:41 pm
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put the car in ideal and test, same result. engine jerking at 2.5k rpm. but not much noticable. but when driving,...... kepala jadi panas.

#5: Re: car shuttering Author: highwaystar, Location: Kola Lompuer

Posted: Thu Apr 09, 2009 1:28 am
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Must be fuel & electrical component.

Electrical
Check Spark Plugs, Botol Susu (dunno m40 got or not),
Rotor Arm, Fuel Pump Relay, Alternator, Battery

Fuel
Fuel Pump, Injectors, Fuel Filter, Fuel Regulator

#6: Re: car shuttering Author: datsunnismo,

Posted: Thu Apr 09, 2009 2:10 am
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thanks highwaystar...

OMG so much to check.

btw, wht is botol susu? u mean a coil?

#7: Re: car shuttering Author: highwaystar, Location: Kola Lompuer

Posted: Thu Apr 09, 2009 2:19 am
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datsunnismo wrote:

thanks highwaystar...

OMG so much to check.

btw, wht is botol susu? u mean a coil?

yup..hehehee

Check in sequence

1. Spark Plug and Plug Cable if okay then skip to
2. Rotor Arm normally worn out if okay skip to
3. Botol Susu (when engine running this should be warm but if extremely hot than change) if okay skip to
4. Fuel Pump relay - it get spoilt over the years
5. Alternator and Battery - This you should check at battery shop they have ampere meter.

If all okay
go check fuel mechanism
1. Fuel Filter - when was the last time you change?
2. Fuel regulator - clog?
2. Fuel pump - cukup pressure tak?

Good luck!

#8: Re: car shuttering Author: boonaroo,

Posted: Thu Apr 09, 2009 2:47 am
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sorry to introject, what's the "botol susu"? helpful checklist though.

edit: just realised it was mentioned in the previous post.

#9: Re: car shuttering Author: chriseunos,

Posted: Thu Apr 09, 2009 4:25 am
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check spark plug and make sure ur using the correct ones. Fuel filter is very cheap to change if u never change it before

#10: Re: car shuttering Author: datsunnismo,

Posted: Thu Apr 09, 2009 5:47 pm
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hi highwaystar n chriseunos. thanks for the inputs.....

Spark plug: just change to used one. from my old engine (m40 also). but it lLOOKS ok. but was be with tht old engine for 8 months... (pls advic on this..)

Last change was 5 months back. after tht there was one time the car was dead at road side due to empty fuel.

will follow h/star step by step checking... Smile

#11: Re: car shuttering Author: datsunnismo,

Posted: Fri Apr 10, 2009 6:32 am
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Correction:-

hi highwaystar n chriseunos. thanks for the inputs.....

Spark plug: just change to used one. from my old engine (m40 also). but it lLOOKS ok. but was be with tht old engine for 8 months... (pls advic on this..)

FUEL PUMP
Last change was 5 months back. after tht there was one time the car was dead at road side due to empty fuel.

will follow h/star step by step checking...

#12: Re: car shuttering Author: chriseunos,

Posted: Fri Apr 10, 2009 7:04 am
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the fuel pump is new or old? how about fuel filter?

do check the rotors as well.

#13: Re: car shuttering Author: evilnickwong, Location: TTDI, KL

Posted: Fri Apr 10, 2009 7:06 am
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If in doubt, change the spark plugs, it's not that expensive and after 8 months, I'm sure it could use replacing, plus it will help cross off one possible factor.

#14: Re: car shuttering Author: datsunnismo,

Posted: Fri Apr 10, 2009 10:58 am
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[b]alamak silap lagi...
Correction:-

hi highwaystar n chriseunos. thanks for the inputs.....

Spark plug: just change to used one. from my old engine (m40 also). but it lLOOKS ok. but was be with tht old engine for 8 months... (pls advic on this..)

FUEL FILTER
Last change was 5 months back. after tht there was one time the car was dead at road side due to empty fuel.

will follow h/star step by step checking...

will try to change the fuel filter and spark plug at1st place.

thanks all

#15: Re: car shuttering Author: highwaystar, Location: Kola Lompuer

Posted: Sat Apr 11, 2009 3:00 pm
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Fuel filter check lagi please

You said fuel empty? maybe dust and particles and also karat tangki minyak
dan naik dan block your fuel filter. PLEASE CHANGE NEW ONE

Spark Plugs jangan lah pakai yang USE punya, tukar yang baru also.
Bosch Super 4 satu kotak 38 ringgit jer x2 balance 2 biji.

Good luck

#16: Re: car shuttering Author: datsunnismo,

Posted: Sun Apr 12, 2009 5:16 am
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hey bro's...

thaks for the input. wanna change the fuel filter and the plug. NEW ONE.

#17: Re: car shuttering Author: datsunnismo,

Posted: Sun Apr 12, 2009 3:53 pm
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hi again.....

have read somewhere about bmw engines... it should be air tight.
noticed tiny leakage from my valve cover gasket., so, can it be a culprit?

#18: Re: car shuttering Author: highwaystar, Location: Kola Lompuer

Posted: Mon Apr 13, 2009 1:54 am
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datsunnismo wrote:

hi again.....

have read somewhere about bmw engines... it should be air tight.
noticed tiny leakage from my valve cover gasket., so, can it be a culprit?

maybe, but my side also got but doesn't contribute like yours.... i might change my gasket also.

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