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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HOMESERVICE MANUALSAUDI2018A5 QUATTRO PRESTIGE, 2D CONVERTIBLEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 24 (GENERAL (FUEL SUPPLY SYSTEM), TECHNICAL DATA)00 GENERAL, TECHNICAL DATAREPAIR INFORMATIONTEST CONDITIONS
2018 Audi A5 Quattro Prestige, 2D Convertible
Test Conditions
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Test Conditions
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2020 Audi S4, 2020 Audi A4 allroad, 2020 Audi A4 Quattro, 2020 Audi A4, and 2019 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
- Battery in battery support mode. Refer to BATTERY .
- Fuel pump fuses/Fuel Pump Relay -J17- /Fuel Pump Control Module -J538- OK. Refer to Wiring Diagram. .
- Fuel Pump Relay - J17- OK; check using the Vehicle Diagnostic Tester.
- Fuel Pump Control Module -J538- is OK; check using Vehicle Diagnostic Tester.
- Fuel tank is at least 1 /4 full.
- Fuel filter is OK.
- Fuel lines are OK (not blocked, not crushed).
- Ignition switched off.
RENDER: 1.0x
NO RELATED
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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.