Question about 1986 Mercedes-Benz 300

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Mercedes e300d w124 cant get the fuel from the tank to the fuel filter? we filled up with petrol insted of derv. have now drained the system now it will only run until the fuel filter runs out, which you have to fill by hand. so why does it not pump through from the tank?and yes we have filled it up with about 25 liters so should be more than enough. many thanks brian.

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I am sure you have disconnected pipes and they are old and now with the pulling off they are porous so the pump cannot **** up fuel as its drawing in air .When i do this job which happens about three times a month i connect a electric pump to the fuel line and **** it all out ,then refit the pipe and then add the new fuel and prime it up and away they go .So i can only assume that you have given them old pipes a good pulling and twisting and now they are porous .Renew the flexible pipes and try again ,if any more problems getting the fuel copntact me again and we will go through it again

Posted on Jul 09, 2010

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Posted on Jan 02, 2017

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