Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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2010 Audi A8 Quattro
Fuel Supply System
2010 Audi A8 QuattroSECTION Fuel Supply System
- 20 - Fuel supply
- Contact corrosion!
- Safety precautions
- Rules for cleanliness
- Fuel tank with attachments
- In-tank wire routing
- Fuel delivery unit with fuel pump and fuel level sensor
- Left fuel delivery unit with Transfer Fuel Pump (FP) G6 , Fuel Level Sensor G and Fuel Level Sensor 3 G237 , assembly overview
- Transfer Fuel Pump (FP) G6 (left), checking electrical
- Left fuel delivery unit with Transfer Fuel Pump (FP) G6 , removing and installing
- Right fuel delivery unit with Fuel Pump (FP) G23 , Fuel Level Sensor 2 G169 and Fuel Level Sensor 4 G393 , assembly overview
- Fuel Pump (FP) G23 (right), checking electrical
- Right fuel delivery unit with Fuel Pump (FP) G23 , removing and installing
- Fuel pump, vehicles with MPI engine and fuel return line, checking delivery quantity
- Fuel pump (vehicles with MPI engine without fuel return line), checking delivery quantity
- Fuel pump (vehicles with 8-cyl. FSI engine), checking delivery rate
- Fuel pump (vehicles with 10-cyl. engine (Audi S8)), checking delivery rate
- Suction jet pumps, function
- Left suction jet pump, removing and installing
- Right suction jet pump, removing and installing
- Fuel supply sensor
- Fuel Level Sensor G , checking (left lever-type sensor)
- Fuel Level Sensor G (left lever-type sensor), removing and installing
- Fuel Level Sensor 2 G169 , checking (right lever sensor)
- Fuel Level Sensor 2 G169 (right lever sensor), removing and installing
- Fuel Level Sensor 3 G237 , checking (left tubular sensor)
- Fuel Level Sensor 3 G237 (left tubular sensor), removing and installing
- Fuel Level Sensor 4 G393 (right tubular sensor), checking
- Fuel Level Sensor 4 G393 (right tubular sensor), removing and installing
- Fuel filter
- Fuel filter for vehicles without auxiliary heater, assembly overview
- Fuel filter for vehicles without auxiliary heater, removing and installing
- Fuel filter for vehicles with auxiliary heater, assembly overview
- Fuel filter for vehicles with auxiliary heater, removing and installing
- Fuel filter for vehicles without fuel system return line, assembly overview
- Fuel filter for vehicles without fuel system return line, removing and installing
- EVAP canister system
- EVAP canister system, assembly overview
- Evaporative emissions (EVAP) canister, removing and installing
- Evaporative emissions (EVAP) system with leak detection system, vehicles with 8-cyl. engine, hose routing
- Evaporative emissions (EVAP) system with leak detection system, vehicles with 12-cyl. engine, hose routing
- Leak detection system
- Diagnostic leak test, performing
- Leak Detection Pump (LDP) V144 , assembly overview
- Leak Detection Pump (LDP) V144 , removing and installing
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 , removing and installing
- Accelerator pedal mechanism
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.