TT Quattro Coupe V6-3.2L (CBRA) (2008)
Fuel Gauge Sender: Service Precautions
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
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With the ignition off, connect the vehicle diagnosis, testing and information system (VAS 5051B) to the Data Link Connector (DLC) - arrow -
using the diagnostic lead.
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Start engine and let run at idle.
Display on (VAS 5051B):
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Press the Vehicle Self-Diagnosis button - 1 - in the selection.
Display on (VAS 5051B):