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How do I check if fuel is present wen I start audi a4 19 tdi

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Usually there is a fuel rail on the top side of the engine. There is a valve that closely resembles a tire valve stem. it will usually have a plastic cap over it to keep dust out. It should have fuel pressure, and you can test it by pressing down lightly( have on eye wear while doing this) on the center of the opening and down on the small pin inside. Doing this should release some fuel.

Posted on May 09, 2014

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Posted on Jan 02, 2017

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SOURCE: fuel filter changed and now fuel line is airlocked

try taking off the line where it meets the efi housing and running the pump until the burping stops

Posted on Aug 25, 2009

  • 10 Answers

SOURCE: 2004 Audi A4 1.9 TDi 130 BHp not starting, not

have you had a look to see if it could be the fuel pump reley

Posted on Feb 04, 2010

  • 289 Answers

SOURCE: fuel problem

the fuel system needs to be bled to get the air out

Posted on Apr 20, 2010

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SOURCE: Fuel filter change 1999 Audi A4 TDI

A4 what? wagon, sedan, quattro? gas, diesel, 4 or 6

Posted on Jun 12, 2010

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Fuel filter change 1999 Audi A4 TDI


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This is very important for Audi 1.9 TDI engine: IT IS FORBIDDEN TO RUN WITHOUT DIESEL FUEL IN RESERVOIR !!!
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Remove the fuel filter, fill up with diesel fuel and put in place. After that try to start the engine with accelerator pedal to the floor. Heed of electric starter motor temperature and battery status! After 40 - 50 sec. of start attempting wait for 1 - 2 minutes for battery and electric starter motor revival. After few starting attemptions the engine must start.

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My Audi A4 2000 TDI year 2005 has run on two tanks of Bio fuel recently and it hasn't recovered... started stuttering. Fuel system has been flushed out, air flow mand air flow meter has been changed but...


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