- Always refer to Emission Decal in engine compartment before servicing vehicle. If manual and decal differ, always use decal specifications.
- Do not allow or create a condition of misfire in more than one cylinder for an extended period of time. Damage to converter may occur due to loading converter with unburned air/fuel mixture.
- Always turn ignition off and disconnect negative battery cable BEFORE disconnecting or connecting computer or other electrical components.
- DO NOT drop or shock electrical components such as computer, airflow meter, etc.
- DO NOT use fuel system cleaning compounds that are not recommended by the manufacturer. Damage to gaskets, diaphragm materials and catalytic converter may result.
- Before performing a compression test or cranking engine using a remote starter switch, disconnect coil wire from distributor and secure it to a good engine ground, or disable ignition.
- Before disconnecting any fuel system component, ensure fuel system pressure is released.
- Use a shop towel to absorb any spilled fuel to prevent fire.
- DO NOT create sparks or have an open flame near battery.
- If any fuel system components such as hoses or clamps are replaced, ensure they are replaced with components designed for fuel system use.
- Always reassemble throttle body components with new gaskets, "O" rings and seals.
- If equipped with an inertia switch, DO NOT reset switch until fuel system has been inspected for leaks.
- Wear safety goggles when drilling or grinding.
- Wear proper clothing which protects against chemicals and other hazards.
Home/Audi/S4/Audi S4 B7 (2004-2008)/Repair manual/Engine Performance/Engine Performance Safety Precautions
Contents
Wiring diagrams Section: Engine Performance- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information
- Waveforms - Injector Pattern Tutorial - General Information
- Electrostatic Discharge Warning - General Information
- State Emission Standards - Diesel
- 4.2l v8 5v Engine Mechanical, Engine Code(s): Bhf
- 4.2l v8 5v Fuel Injection and Ignition, Engine Code(s): Bhf
- 6-speed Automatic Transmission 09l All Wheel Drive
- 6-speed Manual Transmission 0a3 All Wheel Drive, Internal Component Servicing
- 6-speed Manual Transmission 0a3, All Wheel Drive
- A/c Compressor
- Abbreviations
- Accessories Control Systems
- Automatic HVAC System
- Basic Trouble Shooting
- Body Collision Repair
- Body Exterior
- Body Exterior - Cabriolet
- Body Interior - Cabriolet
- Brake System
- Brakes
- Cabin Air Filter
- Check Lists
- Communication
- Cooling Fan
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locator
- Electrical Equipment
- Electrical Equipment - General Information
- Emission Applications
- Engine
- Engine Cooling - 4.2l v8 5v, Bhf
- Engine Performance
- Exterior Body Panels
- Fuel Supply System
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- Identification
- Maintenance Procedures
- Maintenance Procedures - Cabriolet
- MAP Guidelines
- Metric Conversions
- Mode 6
- Rear Final Drive
- Rear Final Drive 0ar
- Reset Procedures
- Specifications
- Steering
- Suspension, Wheels, Steering
- Traction Control Disable
- Transmission
- Wheel and Tire Guide