grantireland123 Posted May 18, 2021 Share Posted May 18, 2021 (edited) discovery 2 2000 td5 auto So changed fuel filter didn't fill the new fuel filter with diesel all the way to top them primed it heard the pump started the car all good then 2 mins later it dies so i know there is an air lock somewhere in system but i dont where the bleed nipple/valve is or if there even is one tried to prime/purge it again and crank to bleed the air outta but to no luck and m/s have started flashing meaning a fault of some kind and now the fuel pump isnt working as probaly due to low battery anyone know how to get this air lock outta the system and what the fault codes could mean cheers for the help Edited May 18, 2021 by grantireland123 Quote Link to comment Share on other sites More sharing options...
Nonimouse Posted May 18, 2021 Share Posted May 18, 2021 If the fuel pump is on it's way out - often caused by a partially blocked fuel filter, it can struggle to acheieve the 4 bar required at the engine to actually make the vehicle run. Check the pump Check the fuel regualtor is actually getting a minimum of 4 bar Quote Link to comment Share on other sites More sharing options...
bear Posted May 18, 2021 Share Posted May 18, 2021 (edited) Hi, Could be one of several problems. Are you able to check the fuel pressure at the FPR? Should be 4 bar. I'm just wondering if you've overworked the fuel pump and shown up a weakness. Grff Nonimouse beat me to it! Edited May 18, 2021 by bear 1 Quote Link to comment Share on other sites More sharing options...
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