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Repair manual

Fuel Supply System Audi A6 C6

Step-by-step instructions on "Fuel Supply System" for Audi A6 C6 (2004–2008). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Safety precautions

Rules for cleanliness

Fuel tank, emptying

B - Emptying a fuel tank less than 1/4 filled

Fuel tank with attachments, removing and installing

Fuel Pump (FP) Control Module J538 , removing and installing - Vehicles with FSI engine

Fuel pump, vehicles with 6-cyl. and 8-cyl. engine, checking delivery rate

Fuel pump delivery rate, vehicles with 8-cyl. FSI engine, checking

Fuel pump (vehicles with 10-cyl. engine (Audi S6)), checking delivery rate

Fuel delivery unit, removing and installing

Removing

Installing

Fuel Level Sensor G , checking

Fuel Level Sensor G , removing and installing

Fuel Level Sensor 2 G169 , checking

Fuel Level Sensor 2 G169 , removing and installing

Suction jet pump, removing and installing

Fuel filter, removing and installing

Installed location

Fuel system, bleeding

Evaporative emissions (EVAP) canister, removing and installing

Hose routing, EVAP/leak detection system

Leak detection system

Automatic leak detection system

Diagnostic leak test, performing

Checking fuel supply and tank ventilation systems for leaks

Check activation

Checking output wiring

Checking input wiring

Checking internal resistance

Checking voltage supply

Leak Detection Pump (LDP) V144 , removing and installing

Accelerator pedal module with Throttle Position (TP) sensors, removing and installing

Adapting kick-down function after replacing throttle position sensor or engine control module