Audi S4 V8-4.2L (BHF) (2004)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
Relays and Modules - Powertrain Management
Sensors and Switches - Powertrain Management
Tune-up and Engine Performance Checks
Computers and Control Systems
Emission Control Systems
Air Injection
Air Injection Vacuum Control Solenoid Valve
Air Injection Control Valve
Component Information
Locations
Diagrams
Testing and Inspection
Combination Valve For Secondary Air Injection (AIR), Checking Function and For Proper Seal
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Service and Repair
Air Injection Pump
Air Injection Pump Relay
Catalytic Converter
Evaporative Emissions System
Relays and Modules - Emission Control Systems
Fuel Delivery and Air Induction
Ignition System
Transmission Control Systems
PROM - Programmable Read Only Memory
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems