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)
2012 Audi A4 2.0T Avant Quattro
2.0L - Fuel Supply System - Engine Code(S): CAEB (AVANT)
2012 Audi A4 2.0T Avant QuattroSECTION 2.0L - Fuel Supply System - Engine Code(S): CAEB (AVANT)
- 20 Fuel Supply System
- General Information
- Description And Operation
- Accelerator Pedal Module Overview
- Fuel Tank With Attachments Overview
- Fuel Delivery Unit And Fuel Level Sensor Overview
- Fuel Filter Overview
- EVAP Canister And Leak Detection System Overview
- EVAP Canister And Leak Detection System Hose Diagram - Engine Code(S): CAEB & CPMA
- EVAP Canister And Leak Detection System Hose Diagram - ENIGINE Code(S): CALA, CCBA & CGXC
- EVAP Canister And Leak Detection System Hose Diagram - Engine Code(S): CAUA & CFSA
- Specifications
- Diagnosis And Testing
- Electric Fuel Pump, Checking
- Fuel Pump Control Module -J538-, Checking
- Fuel Pump Delivery Rate, Checking - Engine Code(S): CAEB & CPMA
- Fuel Pump Delivery Rate, Checking - Engine Code(S): CALA, CCBA & CGXC
- Fuel Pump Delivery Rate, Checking - Engine Code(S): CAUA
- Fuel Pump Delivery Rate, Checking - EMGINE Code(S): CFSA
- Fuel Level Sensor -G-, Checking
- Fuel Level Sensor 2 -G169-, Checking
- Leak Detection Test, Performing
- Removal And Installation
- Special Tools
RENDER: 1.0x
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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.