M102 Carb Treatment
M102 Carb Treatment
Hi guys,
Does anybody know (the main root cause) why M102 engine on W123 which still use carburetor, the setting is keep on changing/ never stable in term of idle speed, acceleration, fuel consumption, etc. even it has been tuned to optimum setting already?
If you had experience with this type of engine, I'm sure you understand that it's not the engine is having unstable idle speed or bad acceleration but the engine won't keep the setting longer, sometimes we need to tune it back within less than a month to have its optimum setting (which actually already gained in previous month)
Feedback are most appreciated. Thanks
Does anybody know (the main root cause) why M102 engine on W123 which still use carburetor, the setting is keep on changing/ never stable in term of idle speed, acceleration, fuel consumption, etc. even it has been tuned to optimum setting already?
If you had experience with this type of engine, I'm sure you understand that it's not the engine is having unstable idle speed or bad acceleration but the engine won't keep the setting longer, sometimes we need to tune it back within less than a month to have its optimum setting (which actually already gained in previous month)

Feedback are most appreciated. Thanks
Junior Member
Joined: Mar 2014
Posts: 32
Likes: 2
From: Campbellford Ontario Canadastan
'84 Euro SEC '85 Euro 200T
Hi guys,
Does anybody know (the main root cause) why M102 engine on W123 which still use carburetor, the setting is keep on changing/ never stable in term of idle speed, acceleration, fuel consumption, etc. even it has been tuned to optimum setting already?
If you had experience with this type of engine, I'm sure you understand that it's not the engine is having unstable idle speed or bad acceleration but the engine won't keep the setting longer, sometimes we need to tune it back within less than a month to have its optimum setting (which actually already gained in previous month)
Feedback are most appreciated. Thanks
Does anybody know (the main root cause) why M102 engine on W123 which still use carburetor, the setting is keep on changing/ never stable in term of idle speed, acceleration, fuel consumption, etc. even it has been tuned to optimum setting already?
If you had experience with this type of engine, I'm sure you understand that it's not the engine is having unstable idle speed or bad acceleration but the engine won't keep the setting longer, sometimes we need to tune it back within less than a month to have its optimum setting (which actually already gained in previous month)

Feedback are most appreciated. Thanks
That's what I do with my Euro 200T.
102, 4cyliinder, carb, carburator, carburetor, engine, m102, mercedes, performance, setting, tuning, type, upgrade, w123
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