riber3 Posted July 29 Share Posted July 29 Hi Everyone I have a 2008 Audi A4 2.0TDI Cabriolet that has had the usual water flood by the ecu and I would be grateful if someone can just confirm the relay numbers for me. I have a 457 which I think is the glow plug relay? A 614 relay which I think is the ECU relay?and should this be replaced with a 644 relay? as I heard it was an upgrade? A 404 relay which I think is the fuel pump relay? If I am wrong I apologise in advance as I don't have a workshop manual to hand I did notice that there is another 404 relay under the dash not sure what this for yet and whether I could use it to help start the car as the top one is broken as I am in a no start situation although it will fire with a bit of easy start then die so any help would be very welcome. I have added photos to help Quote Link to comment Share on other sites More sharing options...
riber3 Posted July 30 Author Share Posted July 30 The other 404 relay sits beside the 614 relay which I had unplugged for testing prior to taking photo Quote Link to comment Share on other sites More sharing options...
riber3 Posted July 31 Author Share Posted July 31 Any help would be most welcome Quote Link to comment Share on other sites More sharing options...
cliffcoggin Posted July 31 Share Posted July 31 If any of the regulars here knew the answer to your question it is likely he would have replied by now. Give it a few more days, then be prepared to look elsewhere. 1 Quote Link to comment Share on other sites More sharing options...
riber3 Posted July 31 Author Share Posted July 31 31 minutes ago, cliffcoggin said: If any of the regulars here knew the answer to your question it is likely he would have replied by now. Give it a few more days, then be prepared to look elsewhere. Thanks Cliff Quote Link to comment Share on other sites More sharing options...
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