Think fuel pump might have dirty because she battle to reach high apeed while changing gears
Two things -- the fuel filter may be blocked and the pressure regulator may not be holding pressure. Replace the filter and have a pressure test done on the fuel manifold to check pump and regulator.. Check that the cat converter is not cracked and blocking the exhaust system
SOURCE: Audi Fuel Pump
is it fitted correctly? If it is not fitted correctly it will do this. Have you checked the relay?
SOURCE: I have a 1999 Audi A6 quattro, have just changed original fuel
You have to bleed the system, most likely air, or you blew the fuel pump fuse !
SOURCE: audi a6 wont start
I TOO HAVE A AUDI A6 1.9 TDI THE OTHER DAY THE CAR CUT OUT WHILE I WAS DRIVING THE FUEL GAUGE SAID I HAD FUEL BUT OPENED THE BLEED BOLT ON THE TOP OF THE FUEL FILTER HOUSEING AND THE FILTER WAS DRY WITH NO FUEL SO I FILLED IT WITH DIESEL WITH SYRINGE AND CHARGED THE BATTERY AND STILL DIDNT START SO I GOT A CAN OF DEODERANT NOT ANTI PERSPERANT AND OPENED THE AIR FILTER HOUSING GOT BROTHER TO SPRAY THE DEODERANT INTO AIR INTAKE TUDE AND IT STARTED RIGHT UP AND PULLED THE FUEL THREW HOPE THIS WORKS FOR U
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