A3 Quattro L4-2.0L Turbo (CBFA) (2009)
Fuel Gauge Sender: Service Precautions
General, Technical Data
Before Opening High Pressure Fuel Injection System
‹› The fuel injection system is separated into a high-pressure section (maximum approximately 120 bar) and a low-pressure section (approximately 6
bar).
‹› Before a component in the fuel injection system high pressure area is remove, the fuel pressure must be definitely reduced to a residual pressure of
approximately 6 bar, as described in the following.
Special tools, testers and auxiliary items required
‹› Vehicle Diagnostic, Testing, and Information System (VAS 5051B)
Procedure
-
With the ignition off, connect the Vehicle Diagnostic, Testing, and Information System (VAS 5051B) to the Data Link Connector (DLC) using the
diagnostic lead.
-
Start engine and let run at idle.
Display on (VAS 5051B):
-
Press the Vehicle Self Diagnosis button - 1 - in the selection.
Display on (VAS 5051B):