audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure Release|Service Precautions|Page 4319 > < Fuel Pressure Release|Service Precautions|Page 4317
Page 4
background image

‹› To provide a better illustration, component location is shown from behind with engine removed.

Display on (VAS 5051B):

-

Check read out in display field - 3 -:

‹› Fuel pressure in fuel rail must sink to approximately 6 bar.

-

Switch off ignition.

The fuel rail will continue to be filled with fuel, but it will no longer be under high pressure.

CAUTION!
Do not let fuel come into contact with skin.

‹› Wear protective eye wear and clothing when opening the fuel system. 

‹› Lay clean cloths around the connection before opening the high pressure area to collect any fuel that leaks out.

-

Loosen wire at connection immediately.

‹› If the high pressure system is not opened immediately, the pressure will increase because of post-heating.

Final Procedures

-

Reconnect electrical connectors.

Faults are saved in ECM when electrical connectors are disconnected: 

Fuel Pressure Release|Service Precautions|Page 4319 > < Fuel Pressure Release|Service Precautions|Page 4317