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 MANUALSAUDI2012A4 2.0T AVANT QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERY2.0L - FUEL SUPPLY SYSTEM - ENGINE CODE(S): CAEB (AVANT)20 FUEL SUPPLY SYSTEMGENERAL INFORMATIONTEST CONDITIONS
2012 Audi A4 2.0T Avant Quattro
Test Conditions
2012 Audi A4 2.0T Avant QuattroSECTION Test Conditions
- Battery voltage at least 12.5 V.
- Fuse for fuel pump OK
- Fuel pump control module -J538- OK; checking, refer to Fuel Pump Control Module -J538-, CHECKING .
- Fuel pump relay -J17-
- Fuel tank minimum 1 /4 full.
- Fuel filter OK.
- Fuel lines OK (not plugged, not kinked).
- The ignition is 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.