On my 1984 MB - 300 SD with 215k miles, the car is too slow to take of but on highways it ran fast.When in a up hill the car loose speed even presssing the acelerator to try to get more speed.Tranny is in good shape,engine has valves recently adjusted,on line and main diesel filter are new.Fuel injectors was tested showing good.There are not smoke from burning oil and the mileage per galon are good.Brake pads and parking brake are ok.
I still wondering what can be the reason for this incovinient.
Can you share something about it?
Appreciate.
Thanks.
Nyck:

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Nyck - TX - USA