Probably needs the turbo rebuilt. If seals are bad oil gets through into
the exhaust.
On Sat, Jan 31, 2015 at 12:34 PM, Rich Thomas via Mercedes <
mercedes@okiebenz.com> wrote:
> Check the manifold pressure hose that comes off the back of the intake
> manifold and goes over to the ALDA? It is a
Check the manifold pressure hose that comes off the back of the intake
manifold and goes over to the ALDA? It is a plastic hose that signals
for fuel to be added. The little hole it screws into on the back of the
manifold can get buggered up, or the hose is clogged, or something.
Easy enough
Thanks for feedback. I'm taking it in on Monday to have my mechanic look it
over and discuss what may be causing the excess smoke and slow acceleration.
On my 85 300D and the 82 300D I can tell when the turbo starts adding power. On
this one it feels real flat. I added a boost gauge inline from
Michael,
Unburned fuel could be the result of the EGR valve failed wide open, or air
filter is restricting air, or injectors doing a really poor job of atomizing
the fuel. There may be other causes that I can't think of.
If the turbo boost isn't matched by ALDA increasing the fuel, the result
Valve adjust recently? If not, probably time for a compression check,
might need a valve job by that milage.
Peter
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My 84 300D is smoking excessively at idle. It appears to be white although it
leaves a significant black stain in the snow at the tail pipe when I rev it up.
It happens whether it is cold or at operating temp but seems worse when hot.
It smells bad like oil and unburned fuel. The car has 299,
