REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Golf IV (1997 release)

general info. full specifications. diagnostics. hints. tips. tricks

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Volkswagen
	Golf 4
		Instructions
		Engine
		Cooling system
		Fuel System
			Cars with petrol engines
				Removal and installation of the fuel pump / fuel level sensor
				Removal and installation of the fuel filter (petrol engines)
				Adjusting accelerator cable
				Removing and installing air cleaner housing
				Remote check of elements of fuel system
				Checking the fuel pump
				Checking the fuel pump relay
				The engine management system
					Technical data
					Employment engine management system
					Checking the fuel injection system
					Sensors and actuators, engine control
					Fuel
					Ignition system
					Removal and installation of a fuel highway and atomizers
					The basic malfunctions of the engine management system
			Cars with diesel engines
		Exhaust system
		Ventilation and heating system
		Coupling
		Transmission
		Suspension brackets and power shafts
		Steering
		Wheels and tires
		Brakes
		Body
		Electrical equipment and wiring

Technical data

Engine code	ANW / AKQ	AEN / AKL	AGN	AGU	AGZ
The engine management system	Marelli 4AV	Simos 2	Motronic 3.8.5	Motronic 3.8.3	Motronic 3.8.3
Idle speed, rev / min	700 - 800	760 - 880	760 - 880	800 - 920	650 - 750
The CO content,%	max 0,3	max 0,5	max 0,3	max 0,5	max 0,5
Maximum speed, rev / min	6500	6350	6500	6500	6500
Fuel pressure control
The fuel pressure at idle speed:
- A vacuum hose is connected, bar	2.5	2.5	2.5	2.5	2.5
- A vacuum hose is disconnected, bar	thirty	thirty	thirty	thirty	thirty
The pressure in the fuel system 10 minutes after the engine is switched off, the bar	20	20	20	20	20
Fuel injectors:
- Productivity ml / 30 sec	-	-	85 - 105	110 - 130	90 - 125
- Resistance, Ohm	14 - 17	14 - 17	12 - 15	12 - 15	14 - 17