Gasoline engine management system Volkswagen Golf 4
Engine management system
Location of SIMOS engine management system components in the engine compartment with 1.6-I engine 1 - Hall sensor electrical connector (black); 2 - Hall sensor. On the upper...
Location of SIMOS engine management system components in the engine compartment with 1.6-I engine 1 - Hall sensor electrical connector (black); 2 - Hall sensor. On the upper...
Technical data of the engine management system
Engine code ANW/ AKQ AEN/ AKL AGN AGU AGZ Engine management system Marelli 4AV Simos 2 Motronic 3.8.5 Motronic 3.8.3 Motronic 3.8.3 Idle speed, rpm 700 – 800 760 – 880 760 – 880...
Engine code ANW/ AKQ AEN/ AKL AGN AGU AGZ Engine management system Marelli 4AV Simos 2 Motronic 3.8.5 Motronic 3.8.3 Motronic 3.8.3 Idle speed, rpm 700 – 800 760 – 880 760 – 880...
Operation of the engine management system
Location of the tape conductor in the air flow meter 1 - tape conductor The engine management system is a combined ignition and fuel injection system. The fuel pump, located in...
Location of the tape conductor in the air flow meter 1 - tape conductor The engine management system is a combined ignition and fuel injection system. The fuel pump, located in...
Checking the fuel injection system
In the fuel injection system, you can only check the main electrical circuits yourself. Execution order 1. If the engine is not running normally, first check the condition of the...
In the fuel injection system, you can only check the main electrical circuits yourself. Execution order 1. If the engine is not running normally, first check the condition of the...
Sensors and actuators of the engine management system
The throttle switch informs the control unit of the throttle position at idle speed. The control unit opens or closes the throttle valve via the servomotor and thus maintains a...
The throttle switch informs the control unit of the throttle position at idle speed. The control unit opens or closes the throttle valve via the servomotor and thus maintains a...
Ignition system
The ignition system creates a spark discharge in each engine cylinder at a certain moment, which ignites the compressed fuel mixture. To create a spark in the ignition coil, the...
The ignition system creates a spark discharge in each engine cylinder at a certain moment, which ignites the compressed fuel mixture. To create a spark in the ignition coil, the...
Ignition coil device
Distribution of high voltage to individual spark plugs is accomplished by electronic ignition system elements, which replace the conventional mechanically operating ignition...
Distribution of high voltage to individual spark plugs is accomplished by electronic ignition system elements, which replace the conventional mechanically operating ignition...
Spark plugs
The spark plug consists of a central electrode, a ceramic insulator with a housing and a ground electrode. The spark that ignites the fuel-air mixture jumps between the central...
The spark plug consists of a central electrode, a ceramic insulator with a housing and a ground electrode. The spark that ignites the fuel-air mixture jumps between the central...
Removal and installation of fuel lines and injectors
Fuel line and injectors of the 1.8-I engine 1 - fuel line; 2 - spring clamp; 3 - O-ring. If there is any damage, a new O-ring must be used. Before installation, lubricate the...
Fuel line and injectors of the 1.8-I engine 1 - fuel line; 2 - spring clamp; 3 - O-ring. If there is any damage, a new O-ring must be used. Before installation, lubricate the...
Main faults of the engine management system
Before troubleshooting, make sure that the engine is started correctly. When starting a cold or hot engine, do not press the accelerator pedal. After starting a hot engine, you...
Before troubleshooting, make sure that the engine is started correctly. When starting a cold or hot engine, do not press the accelerator pedal. After starting a hot engine, you...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar sections from other manuals for VW cars:
Diesel engine: Digital control system Volkswagen Passat B4 (1988-1996)
Power unit: Control system Volkswagen Polo 4 (2001-2009)
General information: Controls and instruments Volkswagen Touareg 1 (2002-2006)
Diesel engine: Digital control system Volkswagen Passat B4 (1988-1996)
Power unit: Control system Volkswagen Polo 4 (2001-2009)
General information: Controls and instruments Volkswagen Touareg 1 (2002-2006)
Golf 5
Golf 4
Golf 3
Golf 2
Golf 2 (petrol)
Golf 1 (petrol)
Golf 1 (diesel)
- General information
- User manual
- Maintenance
- Troubleshooting
- Power unit
- Engine repair
- Cooling and ventilation system
- Fuel system
- Ignition system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Interior (internal elements)
- Exterior (external elements)
- Doors and covers
- Electrical equipment
- Power devices
- Washers and wipers
- Lighting and appliances
- Electrical circuits
- General information
- User manual
- Weekly checks
- Maintenance
- Power unit
- Petrol engines
- Diesel engines
- Cooling system
- Fuel system (petrol)
- Control system (petrol)
- Fuel system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis
- Car suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Exterior (external elements)
- Interior (internal elements)
- Ventilation and heating
- Car doors and sunroof
- Washers and glass cleaners
- Electrical equipment
- Power devices
- Lighting and appliances
- Electrical circuits
- Petrol engine
- Engine repair
- Lubrication system
- Cooling system
- Ignition system
- Diesel engine
- Engine repair
- Diesel injection system
- Pre-glow system
- Transmission
- Clutch
- Gearbox and drive shafts
- Chassis
- Steering
- Wheels and suspension
- Brake system
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- General information
- Introduction to guide
- User manual
- Petrol engines 1.3 l
- Engine repair
- Lubrication system
- Cooling system
- Carburetors
- Supply system
- Ignition system
- Petrol engines 1.6/1.8 l
- Engine repair
- Supply system
- Ignition system
- Diesel engines
- Engine repair
- Lubrication system
- Cooling system
- Power and exhaust system
- Transmission
- Clutch
- 4-speed gearbox 084
- 5-speed gearbox 085
- 4-speed gearbox 020/4R
- 5-speed gearbox 020/4T
- Automatic gearbox
- Drive shafts
- Chassis
- Steering
- Car suspension
- Brake system
- Body
- Body elements
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Power devices
- General information
- Characteristics
- Car care
- Maintenance
- Power unit
- Engine repair
- Engine 1.05/1.30
- Engine 1.60/1.80
- Cooling and lubrication system
- Power and exhaust system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis
- Brake system
- Steering
- Suspension
- Body
- Body and equipment
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- General information
- Characteristics
- User manual
- Maintenance
- Power unit
- Engine adjustment
- Engine 1.1/1.3
- Engine 1.5/1.6/1.8
- Engine electrical equipment
- Cooling system
- Fuel system
- Transmission
- Clutch and manual gearbox
- Automatic gearbox
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- Body
- Body and equipment
- Optional equipment
- General information
- Specifications
- Maintenance
- Power unit
- Engine repair
- Exhaust and turbocharger
- Cooling system
- Fuel system
- Fuel injection system
- Transmission
- Clutch and drive shafts
- Car gearbox
- Chassis
- Suspension and wheels
- Steering
- Brake system
- Wheels and tires
- Body
- Heating and ventilation
- Exterior (external elements)
- Interior (internal elements)
- Doors and windows
- Electrical equipment
- Equipment and devices
- Lighting system
- Power devices
- Electrical circuits