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mybenz | mysatisfaction Forum Index
   Benz Tech Talk / Performance Talk
     Engine Decarbonization
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| Newest First Previous Topic | Next Topic | Bottom
Poster Thread
Mabel
Posted on: 2009/7/31 11:40
Benzo mania
Joined: 2007/8/7
From: Shah Alam, Cyber Jaya, Sunway
Posts: 20052
Benz Model: S320L, E240, C200
Message:
Engine Decarbonization
Hello and Salam Mybenzer,

About a month ago I noticed the car has this noice ktktktktk…like ticking sound when climbing the hill... feel sluggish . No sound when on a level road and no vibration on the engine.

I spoke to my mechanic today and he recommended an engine decarbonization to remove possible carbon buildup which probably could cause the problem for my M102 Engine. Estimate quote: RM 2000. I need a second opinion of this.

My questions are:

1. Any idea what could be causing this noice?
2. Has anyone done this engine decarbonization procedure before?how much?
3. Would carbon buildup cause the noice and if so, how?
4. Are there any other alternative solution?

Thank you in advance guys.


----------------
Cheers/Mabel

Nothing great was ever achieved without enthusiasm
Take time to read. It is the fountain of wisdom
Membership Number: One Nine Seven Seven

wangr
Posted on: 2009/7/31 12:13
Wise Benzitos
Joined: 2006/6/27
From: Sri Damansara/ Lembah Keramat
Posts: 362
Benz Model: 1992 230E, w124
Message:
Re: Engine Decarbonization???
hi Mabel,

i think better try cheaper solution first e.g. use liquid to remove carbon (google decarbonization).


----------------
O Membership ID: 677
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190E
Posted on: 2009/7/31 13:47
Just popping in
Joined: 2009/7/21
From: Bangi
Posts: 19
Benz Model: 190E
Message:
Re: Engine Decarbonization???
From your description, it doesn't sound like a major problem so to spend RM 2000 would be too much. It might be more worthwhile to change all spark plugs, air filter, fuel filter and see if that sorts out the problem. Alternative to decarbonization, try to refill a tank of Shell V-Power. No harm trying.
19owner
Posted on: 2009/7/31 15:06
Certified Benzitos
Joined: 2008/5/16
From: Kuala Lumpur
Posts: 4847
Benz Model: W201 and Others
Message:
Re: Engine Decarbonization???
Quote:

Mabel wrote:
Hello and Salam Mybenzer,

About a month ago I noticed the car has this noice ktktktktk…like ticking sound when climbing the hill... feel sluggish . No sound when on a level road and no vibration on the engine.

I spoke to my mechanic today and he recommended an engine decarbonization to remove possible carbon buildup which probably could cause the problem for my M102 Engine. Estimate quote: RM 2000. I need a second opinion of this.

My questions are:

1. Any idea what could be causing this noice?
2. Has anyone done this engine decarbonization procedure before?how much?
3. Would carbon buildup cause the noice and if so, how?
4. Are there any other alternative solution?

Thank you in advance guys.



maybe they are taliking about a top overhaul...and at the same time, they would perform a cleaning of the piston heads and valves.

on your questions...sometimes it is true that a dirty engine can make the car feel lethargic and vibrations from this causes all kinds of noise.

Mabel
Posted on: 2009/7/31 16:24
Benzo mania
Joined: 2007/8/7
From: Shah Alam, Cyber Jaya, Sunway
Posts: 20052
Benz Model: S320L, E240, C200
Message:
Re: Engine Decarbonization???
Dear friends,

Thanks for all your comments.

My plan right now is to try the following:

1. Switch back to RON 97...need to wait until the current RON 92 fuel finish..
2. If this does not work, I will put in the Mercs Fuel injector cleaner.
3. Will consider other option mentioned above.

Thanks a million Guys!


----------------
Cheers/Mabel

Nothing great was ever achieved without enthusiasm
Take time to read. It is the fountain of wisdom
Membership Number: One Nine Seven Seven

Pyan_W115
Posted on: 2009/7/31 17:42
Certified Benzitos
Joined: 2008/1/27
From: Lembah Pantai, Kuala Lumpur
Posts: 1166
Benz Model: 1975 200 W115
Message:
Re: Engine Decarbonization???
V-Power cleans my 35 years old merc engine, try a tankful or two and see the difference.

If you saw a black W115 with reg number BAT3465 (with olde fonts!) that's me...hehehe... vroom...vroom...


----------------
"Maturity begins to grow when you can sense your concern for others outweighing your concern for yourself."
- John MacNaughton

Membership Number : 2658

19owner
Posted on: 2009/7/31 18:22
Certified Benzitos
Joined: 2008/5/16
From: Kuala Lumpur
Posts: 4847
Benz Model: W201 and Others
Message:
Re: Engine Decarbonization???
Quote:

Mabel wrote:
Dear friends,

Thanks for all your comments.

My plan right now is to try the following:

1. Switch back to RON 97...need to wait until the current RON 92 fuel finish..
2. If this does not work, I will put in the Mercs Fuel injector cleaner.
3. Will consider other option mentioned above.

Thanks a million Guys!


mabel, you don't have to wait until you empty the ron 92 fuel first. from what i know, you can mix any ron 97 or v power safely when the tank is half full.

i am curious (caught the bug from you) ...why ron 92 bro??
duboisi
Posted on: 2009/7/31 21:38
Quite a regular
Joined: 2009/4/19
From: PJ
Posts: 43
Benz Model: W204 C230
Message:
Re: Engine Decarbonization???
"About a month ago I noticed the car has this noice ktktktktk…like ticking sound when climbing the hill... feel sluggish . No sound when on a level road and no vibration on the engine. "

Could be due to carbon built up which caused pre-ignition when engine is under high load, ie: climbing hill.
Switching back to RON97 should help to prevent pre-ignition but source of problem is not solved, ie: carbon build up is still there.

Recommend to try at least 3 tank full of V-Power (1 tank tak cukup lah as carbon built up could be quite bad already). Try to rev the engine when you can drive fast to blow out the carbon. After that you can consider switching back to RON92. But only use RON92 from Caltex or BHP as other RON92 might have very little cleaning additive which cause carbon build up in the engine.
Mabel
Posted on: 2009/7/31 22:13
Benzo mania
Joined: 2007/8/7
From: Shah Alam, Cyber Jaya, Sunway
Posts: 20052
Benz Model: S320L, E240, C200
Message:
Re: Engine Decarbonization???
Quote:

19owner wrote:
maybe they are taliking about a top overhaul...and at the same time, they would perform a cleaning of the piston heads and valves.

on your questions...sometimes it is true that a dirty engine can make the car feel lethargic and vibrations from this causes all kinds of noise.



Could be brother...what makes me think about seeking this 2nd opinion is that there is no white or black smokes coming from the exhaust..


----------------
Cheers/Mabel

Nothing great was ever achieved without enthusiasm
Take time to read. It is the fountain of wisdom
Membership Number: One Nine Seven Seven

Gan
Posted on: 2009/7/31 22:14
Certified Benzitos
Joined: 2008/12/5
From: Johor Bahru, Johor, Malaysia.
Posts: 1772
Benz Model: W202 , W204 . E90
Message:
Re: Engine Decarbonization???
Quote:

Mabel wrote:
About a month ago I noticed the car has this noice ktktktktk…like ticking sound when climbing the hill... feel sluggish . No sound when on a level road and no vibration on the engine.

I spoke to my mechanic today and he recommended an engine decarbonization to remove possible carbon buildup which probably could cause the problem for my M102 Engine. Estimate quote: RM 2000. I need a second opinion of this.

My questions are:

1. Any idea what could be causing this noice?
2. Has anyone done this engine decarbonization procedure before?how much?
3. Would carbon buildup cause the noice and if so, how?
4. Are there any other alternative solution?




1) .. noise ktktktktk…like ticking sound when climbing the hill
... This is very Clear The Noise Come At Up Hill,
It Is Indicate That The Engine Is Under Power !!
... Is The Noise Come During The Sudden Acceleration ??
If YES .... It Is Indicate The Engine IS Under Power !!
... This Type Of Noise We Call "PINKING SOUND" !!!
... If The Engine Is Pinking And The Engine Is UnderPower,
This Indicate The Carbon
Unburn Petrol is Too Much In The Combustion Chamber ...



ADVICE NO 1 :
Add Petrol Additive Or Fill Up Higher Grade RON Petrol Like SHELL V-POWER
and Go For A High Rev or High RPM

specially at the 1st gear or 2nd gear with a low speed Only ....
Do NOT Apply at the final gear ,
otherwise you car is running at a very high speed

Think On The Road Safety to The Other And Yourself ...
As The High TEMPERATURE buil-up Enough To Burnt Off
The Carbon Deposit In The Combustion Chamber !!!!


ADVICE NO 2 :
Ask Your Mechanic Check The Ignition Timing ...
Suspect Ignition Timing Is Too High ... And It Cause Pre-Combustion ...
Just Retard The Timming !!!!
RECOMENDED SPEC :
15' Before TDC idling speed 850rpm
32' Before TDC Accelerate Engine Speed to 4500rpm
w/out vacuum apply to the distributor

ADVICE NO 3 :
Check The Fuel Filter Conditon


Hopefully It Just The PINKING noise Not A KNOCKING Noise !!!

KNOCKING Sound Also CAN Come Out When Go Up Hill
... This Indicate That Main Bearing At The Crankshaft OR
Small Bearing At Connecting Rod had Worn Out has Excessive Play
.... If Knocking Noise Heard ,,, Habis Liao
Mechanical Parts Worn out ... Angkat Engine !!!
So Scarely !!!!!!!!!!!!!!



HAPPY MOTORING
with Free Advice and Hope It Help ...


----------------


MB Auto Garage
No 8 , Jalan Permas 9/2 ,
Bandar Baru Permas Jaya ,
81750 Masai , JOHOR .
(T) 07-3822 322 (F) 07-3866 502
(E) ganchinleong@yahoo.com
GAN CHIN LEONG
H/p : (012) 708 2660

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