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.
5.2L - Generic Scan Tool, Engine Code(S): BSM [Fuel Supply - Exhaust System, Emission Controls]
2007 Audi S8SECTION 5.2L - Generic Scan Tool, Engine Code(S): BSM [Fuel Supply - Exhaust System, Emission Controls]
- 20 - Fuel supply
- 24 - Multiport Fuel Injection (MFI)
- Motronic fuel injection system, servicing
- Components, checking
- Components, Checking
- Oxygen Sensor Heater Before Catalytic Converter, Checking
- Oxygen Sensor Heater after Catalytic Converter, Checking
- Mass Air Flow Sensor, Checking
- Throttle Valve Control Module, Checking
- Fuel Pressure Sensor, Checking
- Low Fuel Pressure Sensor, Checking
- Fuel Metering Valve/Fuel Metering Valve 2, Checking
- Engine Coolant Temperature Sensor, Checking
- Engine Speed Sensor, Checking
- Intake Door Motor, Checking
- Variable Intake Manifold Runner Motor, Checking
- Intake Manifold Runner Position Sensor, Checking
- Intake Manifold Runner Position Sensor 2, Checking
- Function tests
- Motronic Engine Control Module (ECM) J623
- Additional signals, checking
- 26 - Exhaust system, Emission controls
- ST - Generic Scan Tool
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.