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 MANUALSAUDI2007S6REPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM5.2L - FUEL INJECTION IGNITION, ENGINE CODE(S): BXA
2007 Audi S6
5.2L - Fuel Injection Ignition, Engine Code(S): BXA
2007 Audi S6SECTION 5.2L - Fuel Injection Ignition, Engine Code(S): BXA
- 24 - Multiport Fuel Injection (MFI)
- Safety measures and cleanliness rules
- Fuel injection system
- Technical data
- Component locations, overview
- Notes
- Location of Engine Control Module (ECM) J623 and Engine Control Module (ECM) 2 J624
- Component location Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185
- Component location Brake Light Switch F/Brake Pedal Switch F47 , Clutch Pedal Switch F36 and Clutch Position Sensor G476
- 9-compartment relay and fuse carrier behind storage compartment on drivers side
- Relay and fuse carrier in left E-box plenum chamber
- Relay and fuse carrier in right E-box plenum chamber
- Locations
- Engine from behind
- Engine Speed (RPM) Sensor G28 - arrow -
- Engine viewed from front
- Location inside cylinder head
- Location on right cylinder bank 1
- Location on left cylinder bank 2
- Oxygen sensor electrical connectors (on vehicle floor)
- Oxygen sensor electrical connectors (at top of transmission)
- Secondary Air Injection (AIR) Pump Motor V101 (below left longmember)
- Air filter, component overview
- Left and right air filter insert, removing and installing
- Left and right air filter housing, removing and installing
- Mass Air Flow (MAF) Sensor G70 (cylinder bank 1), removing and installing
- Mass Air Flow (MAF) Sensor 2 G246 (cylinder bank 2), removing and installing
- Intake manifold, component overview
- Intake manifold, removing and installing
- Fuel injections and fuel rail, component overview
- High pressure pump, component overview
- High pressure pump, removing and installing
- Fuel injectors, removing and installing
- Fuel pressure and residual pressure before high pressure pump, checking
- Oxygen sensor, assembly overview
- Heated Oxygen Sensor (HO2S) G39 and Heated Oxygen Sensor (HO2S) 3 G285 , removing and installing
- Oxygen sensors G108 , G130 , G131 , G286 , G287 , G288 , removing and installing
- Engine Control Modules (ECM)
- 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.