HoSS Posted August 5, 2016 Share Posted August 5, 2016 I just wanted to post this for any of you buying ebay eberspachers. I bought an almost new, second hand Eberspacher D4. it had clearly had very little use. I then found the ancillaries, pump, connector, exhaust etc. On first starting it, it smoked quite badly and continued to do so. So i thought ok, it needs a service, so bought a new gauze and seals. Cleaned it internally and retested. It still smoked the same. Until it dawned on me, perhaps the pump was giving too much fuel. Upon checking, i had bought a pump for the larger D8 model, of course too much fuel. Somehow i had assumed the control system metered, but its the pump that gives the dose. Anyway worth note for other putting together a bitsa solution. Quote Link to comment Share on other sites More sharing options...
Gazzar Posted August 5, 2016 Share Posted August 5, 2016 So, how do you reduce the smoke? Did you, I don't know, put a voltage dropping resistor on the feed to the pump? Or kink the fuel pipe? Or did you boringly just buy the right pump? You can't just leave us hanging like that! Quote Link to comment Share on other sites More sharing options...
HoSS Posted August 6, 2016 Author Share Posted August 6, 2016 Buy the correct pump. Its quite a bit smaller than the D8 pump. Quote Link to comment Share on other sites More sharing options...
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