Execution order
1. Remove the fuel pump relay or fuse and crank the engine with the starter for a few seconds to release the pressure.
2. Carefully disconnect any of the fuel system pipes and release the pressure completely.
Releasing pressure from the fuel injection system (Audi A6 C4)
1. Remove the fuel pump relay or fuse and crank the engine with the starter for a few seconds to release the pressure.
2. Carefully disconnect any of the fuel system pipes and release the pressure completely.
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Share information:
Previous articles
Audi A6 C4: Multipoint injection system
Next articles
Similar articles on other Audi car models:
Fuel Injection System — Description and Precautions Audi 80 B3 (1986-1991, petrol)
Measuring the pressure in the fuel line of the MPI and MPFI… Audi 100 C4 (1990-1994)
Fuel injection system device (petrol) Audi A3 Type 8L (1996-2003)
Injection system — high-pressure fuel pump (CAPA) Audi A4 B8 (2007-2015)
General information about the ignition and fuel injection system Audi A8 D2 (1994-2002)
Filling the fuel system after installing the injection pump Audi Q5 Type 8R (2008-2017)
General information about the fuel injection system Audi A2 (1999-2005)
Fuel Injection System — Description and Precautions Audi 80 B3 (1986-1991, petrol)
Measuring the pressure in the fuel line of the MPI and MPFI… Audi 100 C4 (1990-1994)
Fuel injection system device (petrol) Audi A3 Type 8L (1996-2003)
Injection system — high-pressure fuel pump (CAPA) Audi A4 B8 (2007-2015)
General information about the ignition and fuel injection system Audi A8 D2 (1994-2002)
Filling the fuel system after installing the injection pump Audi Q5 Type 8R (2008-2017)
General information about the fuel injection system Audi A2 (1999-2005)
Link to this page in different formats
Visitor comments
No comments yet
- General information
- User manual
- Maintenance
- Troubleshooting
- Power unit
- V6 petrol engines
- V8 petrol engines
- Diesel engines
- Cooling and heating system
- Injection system (gasoline)
- Fuel system (diesel)
- Supply system
- Exhaust system
- Ignition system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Body elements
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Power devices
- Electrical circuits
- Schemes (petrol engine 2.7 l)
- Schemes (petrol engine 4.2 l)
- Schemes (diesel engine 2.5 l)
- General information
- User manual
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Fuel system
- Engine management
- Fuel system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Front suspension
- Rear suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Air conditioner
- Equipment and devices
- Electrical circuits
- General information
- User manual
- Maintenance (gasoline)
- Maintenance (Diesel)
- Gasoline engines
- 4 cylinder engines
- 5 cylinder engines
- 6 cylinder engines
- Diesel engines
- 4 cylinder engines
- 5 cylinder engines
- Engine repair
- Removal and reassembly
- Cooling system
- Single point injection system
- Multipoint injection system
- MPI/MPFI injection system
- Fuel system (diesel)
- Exhaust system
- Ignition system
- Transmission
- Clutch
- Manual transmission
- Automatic transmission
- Drive shafts
- Chassis
- Brake system
- Front suspension
- Rear suspension
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Electrical equipment
- Power devices
- Lighting and appliances
- Electrical circuits