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white smoke, not oil or coolant
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CarGuru > Mercedes > white smoke, not oil or coolant 7 May 2005 11:29:12

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white smoke, not oil or coolant

Billemery 6 May 2005 22:54:29
 now im really confused, my trusty 87 300td diesel wagon smokes profusely in
the morning when it first starts. smells like fuel burning-like it's running
too rich.
like some gasket in the injection pump is going out
maybe ?


Add comment
T.G. Lambach 6 May 2005 23:26:08 permanent link ]
 Diesels don't run too rich.

If this engine has done 250K miles or more I suspect incomplete
combustion due to low compression; have the engine's compression tested.
Then you'll know for sure that it needs an overhaul, or not.
Add comment
Chas Hurst 7 May 2005 05:02:57 permanent link ]
 My '87 does the same thing. Does it more in cold weather, does it less when
using the block heater.
I think the valve stem seals are leaking lube oil and the combination diesel
and lube oil is producing the white smoke.
Or it could be as T.G. suggests-low compression. I haven't checked the
compression 'cause I'm not concerned about the smoke on starting since the
car has 270K miles and runs just fine otherwise.
"billemery" <emery_bill@hotmail­.com> wrote in message
news:%kPee.14536$cZ­6.7076@fe02.lga...> now im really confused, my trusty 87 300td diesel wagon smokes profusely
the morning when it first starts. smells like fuel burning-like it's
running> too rich.> like some gasket in the injection pump is going out> maybe ?>


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Martin Joseph 7 May 2005 11:29:12 permanent link ]
 On 2005-05-06 18:02:57 -0700, "Chas Hurst" <hurst1@comcast.not­> said:
My '87 does the same thing. Does it more in cold weather, does it less when> using the block heater.> I think the valve stem seals are leaking lube oil and the combination diesel> and lube oil is producing the white smoke.> Or it could be as T.G. suggests-low compression. I haven't checked the> compression 'cause I'm not concerned about the smoke on starting since the> car has 270K miles and runs just fine otherwise.

If it runs just fine, then it isn't low compression.


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CarGuru > Mercedes > white smoke, not oil or coolant 7 May 2005 11:29:12

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