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 MANUALSAUDI2010A8 QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UP4.2L - FUEL INJECTION AND IGNITION, ENGINE CODE(S): BVJ
2010 Audi A8 Quattro
4.2L - Fuel Injection And Ignition, Engine Code(S): BVJ
2010 Audi A8 QuattroSECTION 4.2L - Fuel Injection And Ignition, Engine Code(S): BVJ
- 24 - Multiport Fuel Injection (MFI)
- Safety measures and cleanliness rules
- Fuel injection system
- Technical data
- Component location overview
- Right side of engine compartment
- Left side of engine compartment
- Location Engine Control Module (ECM) J623
- Relay and fuse holder in right footwell
- Relay and fuse holder behind left instrument panel
- 4-pin relay carrier in E-box plenum chamber
- Location Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185
- Kick down switch F8
- Location Brake Light Switch F/Brake Pedal Switch F47
- Fuel Pump (FP) Control Module J538
- Oxygen sensor connectors
- Oxygen sensors location, cylinder bank 1 (right)
- Oxygen sensors location, cylinder bank 2 (left)
- Location Engine Speed (RPM) Sensor G28
- Location Engine Coolant Temperature (ECT) Sensor G62
- Location on right cylinder bank 1
- Location on left cylinder bank 2
- Component location view from inside from right cylinder head
- Component location view from inside from left cylinder head
- Component location front on engine
- Oil Pressure Switch F1 and electrical connector
- Location of high pressure fuel pumps
- Map Controlled Engine Cooling Thermostat F265 location
- Air filter, assembly overview
- Air filter element, removing and installing
- Mass Air Flow (MAF) Sensor G70 , removing and installing
- Intake manifold, assembly overview
- Intake manifold, removing and installing
- Fuel pressure and residual pressure before high pressure pump, checking
- High pressure pump, assembly overview
- High pressure pump, removing and installing
- Fuel rail with fuel injectors, assembly overview
- Fuel injectors, removing and installing
- Heated Oxygen Sensor (HO2S) G39 (in front of catalytic converter) and Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 , cylinder bank 1, removing and installing
- Heated Oxygen Sensor (HO2S) 2 G108 (in front of catalytic converter) and Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) G131 , cylinder bank 2, removing and installing
- Engine control module
- 28 - Ignition/Glow plug System
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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.