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 MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (2.0L - TURBO FUEL INJECTION IGNITION, ENGINE CODE(S): BPG, BWT)
2009 Audi A6 Base
Section 11 (2.0L - Turbo Fuel Injection Ignition, Engine Code(S): BPG, BWT)
2009 Audi A6 BaseSECTION Section 11 (2.0L - Turbo Fuel Injection Ignition, Engine Code(S): BPG, BWT)
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- 24 - Multiport Fuel Injection (MFI)
- Safety measures and cleanliness rules
- Procedure that must be performed before opening the high-pressure fuel injection system - Pay close attention!
- Technical data
- Overview of component locations
- Notes
- Fuel Pressure Sensor G247 - 1 - (Torque Specification 22 Nm)
- Camshaft Position (CMP) Sensor G40 - 1 -
- Mass Air Flow (MAF) Sensor G70 - 1 -
- Camshaft Adjustment Valve 1 N205 - 1 - and Fuel Pressure Regulator Valve N276 - 2 -
- Intake Air Temperature (IAT) Sensor G42 - 1 - Throttle Valve Control Module J338 - 2 -
- Fuel Pump (FP) Control Module J538 - 1 -
- Electrical harness connectors
- Oxygen sensors
- Installed location of Engine Control Module (ECM) J623
- Engine Coolant Temperature (ECT) Sensor G62 - 1 -
- Installed location Brake Light Switch F/Brake Pedal Switch F47 , Clutch Pedal Switch F36
- Installed location in 4-socket relay carrier, plenum chamber E-box
- Installed location on 9-socket relay carrier in driver footwell
- Component locations beneath intake manifold
- Charge Air Pressure Sensor G31 - 1 -
- Oil Level Thermal Sensor G266
- Components on turbocharger
- Air filter, assembly overview
- Engine cover, removing and installing
- Air filter insert, removing and installing
- Mass Air Flow (MAF) Sensor G70 , removing and installing
- Intake Manifold, assembly overview
- Fuel rail, assembly overview
- Intake manifold with fuel rail, removing and installing
- Fuel rail, removing and installing
- Fuel injectors, removing and installing
- Combustion chamber sealing ring (Teflon sealing ring), replacing
- Fuel pressure and residual pressure before high pressure pump, checking
- High pressure pump, assembly overview
- High pressure pump, removing and installing
- Wiring and components, checking with Test box V.A.G 1598/42
- Engine Control Module (ECM) J623 , replacing
- Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor (O2S) Heater Z19 before catalytic converter, removing and installing
- Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) Z29 , removing and installing
- 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.