Fuel and exhaust system of car Audi A4 B7
Fuel and exhaust systems — specifications
Fuel system and engine management type Petrol engines 1.8 l (code BFB), 2.0 l (code ALT) and 3.0 l (code BBJ). Distributed sequential injection, controlled by...
Fuel system and engine management type Petrol engines 1.8 l (code BFB), 2.0 l (code ALT) and 3.0 l (code BBJ). Distributed sequential injection, controlled by...
Power supply system: general information and safety precautions
The fuel system includes a saddle-shaped fuel tank installed in the rear of the vehicle and a carbon fuel vapor absorber (only on petrol models), fuel lines,...
The fuel system includes a saddle-shaped fuel tank installed in the rear of the vehicle and a carbon fuel vapor absorber (only on petrol models), fuel lines,...
Operating principles of the engine management system
Note: The following describes the operating principle of a typical gasoline engine control system. The features of a diesel engine control system are described...
Note: The following describes the operating principle of a typical gasoline engine control system. The features of a diesel engine control system are described...
Removal and installation the air cleaner, replacing its filter element
Note: Replacing the air cleaner filter element is described in Chapter 1 . 1. The installation details of the air cleaner for 2.0 TFSI engines are shown in the...
Note: Replacing the air cleaner filter element is described in Chapter 1 . 1. The installation details of the air cleaner for 2.0 TFSI engines are shown in the...
Removal and installation the intake manifold
2.0 TFSI engines Note: After removing or replacing the intake manifold, the intake manifold flap position sensor must be initialized using diagnostic...
2.0 TFSI engines Note: After removing or replacing the intake manifold, the intake manifold flap position sensor must be initialized using diagnostic...
Removal and installation of fuel distribution line and injectors
2.0 TFSI engines 1. The installation details of the fuel distribution line and injectors are shown in the illustration. 5.1. Fuel distribution line and...
2.0 TFSI engines 1. The installation details of the fuel distribution line and injectors are shown in the illustration. 5.1. Fuel distribution line and...
Removal and installation the intercooler
2.0 TFSI engines 1. The intercooler installation details are shown in the illustration. 6.1. Intercooler installation details 1. Intercooler air duct; 2. Air...
2.0 TFSI engines 1. The intercooler installation details are shown in the illustration. 6.1. Intercooler installation details 1. Intercooler air duct; 2. Air...
Removal and installation a turbocharger
2.0 TFSI engines 1. Turbocharger installation details are shown in the illustrations. 7.1a. Turbocharger Installation Details, Part 1 of 4 1. PCV hose; 2. ACF...
2.0 TFSI engines 1. Turbocharger installation details are shown in the illustrations. 7.1a. Turbocharger Installation Details, Part 1 of 4 1. PCV hose; 2. ACF...
Removal and installation of fuel injection pump
2.0 TFSI engines 1. The details of the fuel injection pump installation are shown in the illustrations. 8.1. Fuel injection pump installation details 1....
2.0 TFSI engines 1. The details of the fuel injection pump installation are shown in the illustrations. 8.1. Fuel injection pump installation details 1....
Removal and installation of pump-injectors
Diesel engines 1.9 and 2.0 SOHC 1. Remove the cylinder head cover ( see Chapter 2 ). 2. Turn the crankshaft so that both cams of the corresponding unit...
Diesel engines 1.9 and 2.0 SOHC 1. Remove the cylinder head cover ( see Chapter 2 ). 2. Turn the crankshaft so that both cams of the corresponding unit...
Removal and installation the gas pedal
1. Remove the driver's storage compartment ( see Chapter 11 ). 2. Disconnect the connector (2 in the illustration), unscrew the bolts (1 and 3) and remove the...
1. Remove the driver's storage compartment ( see Chapter 11 ). 2. Disconnect the connector (2 in the illustration), unscrew the bolts (1 and 3) and remove the...
Removal and installation the fuel tank
1. The fuel tank installation details for gasoline models are shown in the illustrations. For diesel models, the difference is the absence of EVAP lines. The...
1. The fuel tank installation details for gasoline models are shown in the illustrations. For diesel models, the difference is the absence of EVAP lines. The...
Removal and installation the fuel supply module
1. The fuel delivery module installation details are shown in the illustrations. The removal and installation procedure is given using the example of...
1. The fuel delivery module installation details are shown in the illustrations. The removal and installation procedure is given using the example of...
Removal and installation the EVAP canister (petrol models)
1. Remove the right front wheel and the right front wheel arch liner ( see Chapter 11 ). 2. Remove the cover from the front right side of the underbody (see...
1. Remove the right front wheel and the right front wheel arch liner ( see Chapter 11 ). 2. Remove the cover from the front right side of the underbody (see...
Replacing the fuel level sensor
1. Remove the fuel delivery module ( see Section 12 ). 2. Use a screwdriver to press the fasteners (arrows in the illustration) and lift the sensor up. 14.2....
1. Remove the fuel delivery module ( see Section 12 ). 2. Use a screwdriver to press the fasteners (arrows in the illustration) and lift the sensor up. 14.2....
Exhaust and Emission Control Systems — General Information
Exhaust system The exhaust gas (EG) exhaust system consists of exhaust manifolds with catalytic converters and a particulate filter (DPF, only on some diesel...
Exhaust system The exhaust gas (EG) exhaust system consists of exhaust manifolds with catalytic converters and a particulate filter (DPF, only on some diesel...
Removal and installation the exhaust manifold
Note: The exhaust manifold on 2.0 TFSI petrol models is a single, non-separable unit with the turbocharger and its vacuum unit. A description of the design,...
Note: The exhaust manifold on 2.0 TFSI petrol models is a single, non-separable unit with the turbocharger and its vacuum unit. A description of the design,...
Removal and installation of exhaust system components
Note: To remove the exhaust system assembly, please have an assistant assist you due to its considerable weight. Wait until the exhaust system has cooled down...
Note: To remove the exhaust system assembly, please have an assistant assist you due to its considerable weight. Wait until the exhaust system has cooled down...
Removal and installation of the radiator and vacuum block of the EGR system
1. The installation details of the EGR system components using 2.0 DOHC diesel engines as an example are shown in the illustration. 18.1. EGR system...
1. The installation details of the EGR system components using 2.0 DOHC diesel engines as an example are shown in the illustration. 18.1. EGR system...
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- General information
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