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    2004 a4 2.5 diesel cold start problems and white smoke

    Turned out to be the ecu on the fuel pump, I removed it, which is really easy to do and sent it away, I found a company on eBay who repair the ecu for £107, if you search Audi fuel diesel fuel pump edc you'll find the seller.. Cheers
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    2004 a4 2.5 diesel cold start problems and white smoke

    00550- injection commencment- petrol or bio diesel, water in fuel system or air in system Or fuel links clogged 17583 Pilot injection shut of- Possable causes are same as above and also Low fuel pressure and internal damaged to the pump
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    2004 a4 2.5 diesel cold start problems and white smoke

    Wondering if anyone can shed some light on this for me, got a 04 a4 2.5 163 sport from a guy at work, he's been running it on red diesel for years, got a bad batch started running crap, I got it this week, put it into my mates garage he found water in the fuel filter, took the pump of, full of...