Svar till: Bio Fuel Damage

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#79975
Peter HanssonPeter Hansson
Deltagare

Hi Michael,

It’s a td5?

That black sludge is common in Td5 pumps due to the construction of the engine, especially when the injector seals are starting to leak.
i had a cusomter analyzing this many years ago as he thought it was an issue with the fuel from OKQ8 (this was in 2003-2004 something) and came back with carbon soot from combustion. Only ever seen this on Td5 engines. the other sludge you get from water and RME looks different.

So the issue is more likely to be the seals leaking a little compression and soot passed the injectors in to the fuel channel and eventually back to the tank where it accumulates and get stuck in the pump strainer.
If you clean it out you might be ok for a long time, but if you notice it comes back quickly it is time to replace the injecotrs. If ignored in the long run it will clogg up the strainer and damage the fuel pump. And in some cases there will be a lot of air in the fuel system and the engine will not start unless you bleed it repeatedly every time you start it 🙂

Mvh
Peter
Serie II 109 2,25 Diesel
Freelander 2 Td4
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