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Originally Posted by shane83SD
I pulled 5 injectors from a 82 W123 turbo diesel (in Picknpull Conmercial site).
Two are dry and the others have oil in the injector hole as well as in the lower part of the injectors. How can oil get to the injector? Can one deduce the condition of the engine from this?
Please note that the engine has'nt been messed with yet. When I disconnect the injector lines, fuel is present in all the injects.
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What colour is the oil?
If black, then it may well be engine oil.
If not black then it must be diesel which has had the lighter fractions evaporate, leaving an oily residue.