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.
2007 Audi RS 4FACTORY OEM SERVICE PROCEDURE
4.2L - Generic Scan Tool, Engine Code(S): BNS
- 20 - Fuel supply
- 24 - Multiport Fuel Injection (MFI)
- Motronic fuel injection system, servicing
- Components, checking
- Oxygen Sensor (O2S) Heater Z19 , checking.
- Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 , checking
- Mass Air Flow (MAF) Sensor G70/Intake Air Temperature (IAT) Sensor G42 , checking
- Throttle Valve Control Module J338 , checking
- Fuel Pressure Sensor G247 , checking
- Low Fuel Pressure Sensor G410 , checking
- Fuel Metering Valve N290 , checking
- Engine Coolant Temperature (ECT) Sensor G62 , checking
- Engine Speed (RPM) Sensor G28 , checking
- Intake Manifold Runner Control (IMRC) Valve N316
- Intake Manifold Runner Position Sensor G336 , checking
- Intake Manifold Runner Position Sensor 2 G512 , checking
- Fuel Injectors N30, N31, N32, N33 , checking
- Function tests
- Motronic Engine Control Module (ECM) J623
- Additional signals, checking
- 26 - Exhaust system, Emission controls
- Exhaust system components, removing and installing
- Secondary Air Injection (AIR) System
- Principle and function
- Left combination valve for secondary air injection (AIR), checking function and for leaks
- Right combination valve for secondary air injection (AIR), checking function and for leaks
- Secondary Air Injection (AIR) Pump Relay -J299- , checking
- Secondary Air Injection (AIR) Pump Motor -V101- , checking
- 28 - Ignition/Glow plug System
- Ignition, servicing
- General notes on ignition system
- Safety precautions
- Test Data, Spark Plugs
- Camshaft Position (CMP) Sensor G40 and Camshaft Position (CMP) Sensor 3 G300 , checking
- Camshaft Adjustment Valve 1 N205 and Camshaft Adjustment Valve 1 (exhaust) N318 , checking
- Knock Sensor (KS) 1 G61 , Knock Sensor (KS) 1 G61 , checking
- Ignition Coils with Power Output Stage N70, N127, N291, N292 , checking
- Ignition, servicing
- ST - Generic Scan Tool
- On Board Diagnostic (OBD)
- Diagnostic modes
- Diagnostic Modes Description
- Diagnostic Mode 01: Obtain data
- Diagnostic Mode 02: Obtain operating conditions
- Mode 03: Interrogating fault memory
- Interrogating the Fault Memory
- Diagnostic Mode 04: Reset/delete diagnostic data
- Diagnostic mode 6: Checking test results of components that are not continuously monitored
- Notes
- Test-ID 01 ($01): Oxygen Sensor Monitor Bank 1 - Sensor 1.
- Test-ID 02 ($02): Oxygen Sensor Monitor Bank 1- Sensor 2.
- Test-ID 05 ($05): Oxygen Sensor Monitor Bank 2 - Sensor 1.
- Test-ID 06 ($06): Oxygen Sensor Monitor Bank 2 - Sensor 2.
- Test-ID 09 ($09): Oxygen Sensor Monitor Bank 3 - Sensor 1.
- Test-ID 10 ($0A): Oxygen Sensor Monitor Bank 3- Sensor 2.
- Test-ID 13 ($0D): Oxygen Sensor Monitor Bank 4 - Sensor 1.
- Test-ID 14 ($0E): Oxygen Sensor Monitor Bank 4 - Sensor 2.
- Test-ID 33 ($21): Catalyst Monitor Bank 1.
- Test-ID 34 ($22): Catalyst Monitor Bank 2.
- Test-ID 35 ($23): Catalyst Monitor Bank 3.
- Test-ID 36 ($24): Catalyst Monitor Bank 4.
- $3A (58): Fuel Tank EVAP System Leak Test (0.090)
- Test-ID 59 (3B): EVAP Monitor (0.040)
- Test-ID 60 (3C): EVAP Monitor (0.020)
- Test-ID 61 (3D): Tank Vent Valve function check
- Test-ID 65 ($41): Oxygen Sensor Heater Monitor Bank 1 - Sensor 1
- Test-ID 69 ($45): Oxygen Sensor Heater Monitor Bank 2- Sensor 1
- Test-ID 73 ($49): Oxygen Sensor Heater Monitor Bank 3 - Sensor 1
- Test-ID 77 ($4D): Oxygen Sensor Heater Monitor Bank 4 - Sensor 1
- Test-ID 66 ($42): Oxygen Sensor Heater Monitor Bank 1 - Sensor 2
- Test-ID 70 ($46): Oxygen Sensor Heater Monitor Bank 2 - Sensor 2
- Test-ID 74 ($4A): Oxygen Sensor Heater Monitor Bank 3 - Sensor 2
- Test-ID 78 ($4E): Oxygen Sensor Heater Monitor Bank 4 - Sensor 2
- OBDMID $71 (113): Secondary Air Injection (AIR) System 1 (Bank 1)
- OBDMID $72 (114): Secondary Air Injection (AIR) System 2 (Bank 2)
- OBDMID $73 (115): Secondary Air Injection (AIR) System 3 (Bank 3)
- OBDMID $74 (116): Secondary Air Injection (AIR) System 4 (Bank 4)
- Test-ID 162 ($A2): Mis-Fire Cylinder 1 Data
- Test-ID 163 ($A3): Mis-Fire Cylinder 2 Data
- Test-ID 164 ($A4): Mis-Fire Cylinder 3 Data
- Test-ID 165 ($A5): Mis-Fire Cylinder 4 Data
- Test-ID 166 ($A6): Mis-Fire Cylinder 5 Data
- Test-ID 167 ($A7): Mis-Fire Cylinder 6 Data
- Test-ID 168 ($A8): Mis-Fire Cylinder 7 Data
- Test-ID 169 ($A9): Mis-Fire Cylinder 8 Data
- Diagnostic Mode 07: Check test results of components that are continuously monitored
- Diagnostic Mode 08: Tank leak test
- Diagnostic Mode 09: Vehicle information
- General Diagnosis
- Readiness Code
- Diagnostic Trouble Code (DTC) tables
Factory Service Tools
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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.
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