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E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

smoking m104

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Old Apr 28, 2013 | 06:52 PM
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1992 300ce
smoking m104
hey guys i got a 1992 300ce with M104 ENGINE its how every smoking a lot the smoke has a sweet smell and tend to burn your eyes. does anyone know the cause?
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Old Apr 28, 2013 | 07:41 PM
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86 W124
Your nose is right up in the exhaust ...

Check coolant if it's fizzing like a pop can, or has oil floating on top.
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Old Apr 28, 2013 | 08:07 PM
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1992 300ce
already check those. oil is not leaking into the coolant or vice verse.
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Old Apr 28, 2013 | 08:17 PM
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86 W124
coolant smells sweet. Wait for the coolant to cool down so the oil can separate. Or smell coolant for exhaust.

Does it always smoke? How long has it been smoking?
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Old Apr 29, 2013 | 07:57 AM
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1992 300ce
its been smoking for quite sometime haven't been driving but when i do and check the coolant their is no oil
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Old Apr 29, 2013 | 08:01 AM
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its a lot of smoke could it be the gas is mixing two rich?
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Old Apr 29, 2013 | 11:03 AM
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86 W124
Thick smoke that takes a long time to disappear?
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Old Apr 29, 2013 | 08:15 PM
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1992 300ce
thick black smoke yeah it takes a while to disappear
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Old Apr 29, 2013 | 09:05 PM
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86 W124
Leaky injectors or bad ignition or clogged air filter.
What kind of spark plugs do you have?
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Old Apr 30, 2013 | 08:11 AM
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1992 300ce
u kno i have gotten to check tht out as yet but when i get some time i will and let u kno
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