It took several months of Italian tune ups before this '95 E300 from Dan's son 
was producing decent power, I'd not be surprised if your car will respond in 
the same way.

Max Dillon
Charleston SC

Aug 3, 2020 8:55:54 PM Kaleb Striplin via Mercedes <mercedes@okiebenz.com>:

> I have not really researched it yet but like I mentioned I hope it can be 
> cleaned up like the gassers. In any case I was aware of it and knew I would 
> have to deal with it. I have it a few hard acceleration runs this evening and 
> it actually seems like it lightened up a little. I kind of like the rolling 
> coal effect.
> 
> Sent from my iPhone
> 
>> On Aug 3, 2020, at 8:48 PM, Peter Frederick via Mercedes 
>> <mercedes@okiebenz.com> wrote:
>> 
>> If it makes serious smoke under hard acceleration, the EGR is stuck open.  
>> Or at least not closing properly.  Had this issue on the Volvo TD, very 
>> serious smoke.  Plated off the EGR on that one, it really only needed the 
>> actuator rod cleaned so it closed properly (and all the goop cleaned out 
>> from using dino oil in it).
>> 
>> In your case you will have to fix it, which is probably why the car went for 
>> cheap.....
>> 
>> It will run better when it's working -- unlike gasoline cars, max EGR is 
>> just above idle and drops as the fuel comes on.  If it doesn't close under 
>> acceleration, you don't have enough oxygen for the fuel going in and it 
>> smokes badly.  Wide open at idle doesn't have much effect as you aren't 
>> putting very much fuel in.
>> 
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