Clean Working Conditions

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Even Minor Contamination Can Lead To Malfunctions In The Fuel Injection System. Therefore When Working On The Fuel Supply/Injection System, Pay Careful Attention To The Following Rules Of Cleanliness:

Before loosening, connections and surrounding areas must be cleaned thoroughly with engine or brake cleaner, and then cleaned area must be dried completely.
Plug open lines and connections immediately with appropriate protective caps.
Place parts that have been removed on a clean surface and cover them. Use lint-free cloths.
Only install clean components: Only unpack replacement parts immediately prior to installation. Do not use parts that have been stored loose (for example in tool boxes etc.).
When the system is open: Do not work with compressed air. Do not move vehicle.