Audi A8 2010 Workshop Manual page 38

Audi A8 2010 ➤
Simos direct petrol injection and ignition system (6-cyl. 3.0 ltr. TFSI 4-valve) - Edition 12.2011
♦ Adapter set -V.A.G 1318/10-12- and adapter -V.A.G 1318/15-
♦ Vehicle diagnostic tester
♦ Fuel-resistant measuring container
Checking fuel pressure
• Battery voltage at least 12.5 V.
• Fuel filter OK.
•
1
Fuel tank at least / 4 full.
• Fuel pump control unit -J538- OK; checking in
⇒ vehicle diagnostic tester .
Finding
• Ignition off.
– Remove filler cap -arrow- for fuel filler neck.
WARNING
Risk of injury caused by fuel.
♦ To reduce the pressure in the fuel system, wrap a clean
cloth around the connection and carefully loosen the con‐
nection.
– Detach fuel supply hose -1- from high-pressure pump and
move clear -arrow-.
34
Rep. gr.24 - Mixture preparation - injection
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