Injection engine power system VAZ-2104

All articles on the device and repair of components and assemblies of the fuel injection engine of the VAZ-2104 Zhiguli (station wagon) and their modifications.

Description of the fuel supply design of the injection engine
Elements of the fuel system of an injection engine: 1 - air intake; 2 - air filter housing; 3 - air supply hose to the throttle body; 4 - throttle body with idle speed control; 5...

Relieving pressure in the fuel system
Attention! When performing work related to depressurization of the fuel system, exercise caution. When the engine is running, it is prohibited to depressurize the system, since...

Fuel filter — replacement
We replace the filter according to the maintenance schedule after 30,000 km of vehicle mileage. Removal 1. Prepare the vehicle for operations (see " Preparing a car for...

Fuel system pressure — check
To perform the work, you will need a pressure gauge with a petrol-resistant hose attached to its threaded fitting. 1. Prepare the vehicle for operations (see " Preparing a car for...

Pressure regulator — removal and installation
Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Release the pressure in the fuel system (see " Relieving pressure in the...

Electric fuel pump with fuel level indicator sensor — removal and installation
Removal 1. Relieve the pressure in the fuel system (see " Relieving pressure in the fuel system "). 2. Disconnect the wire from the negative terminal of the battery (see " Battery...

Fuel rail — removal, installation and testing of injectors
We remove the fuel rail to check or replace the injectors, as well as when removing the intake manifold. To check the injectors, you will need an ohmmeter. Removal the fuel rail...

Idle speed control valve — checking, removal and installation
1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Release the wiring harness connector retainer and disconnect the connector from the...

Throttle body — removal and installation
We remove the throttle body to replace the idle speed controller, sealing gasket or the body itself. Caution! To avoid burns, start work only after the engine has cooled down....

Fuel tank — removal and installation
You will need an assistant to perform the work of removing the tank. Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and...

Air Filter Element — Replacement
The air filter element is replaced according to the maintenance schedule after 20,000 km of vehicle mileage. If you frequently drive on dusty roads, the filter element must be...

Air filter housing — removal and installation
Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Disconnect the mass air flow sensor from the air filter housing (see " Mass...

Throttle Cable Replacement
Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. In the car's interior, use a screwdriver to pry up the end of the cable and...

Adsorber — checking the purge valve, removal and installation
Checking the purge valve 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Having released the retainer, we disconnect the wiring...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More articles from other manuals on VAZ cars:
➠ Power unit: Fuel system (injector) VAZ-2107 (1982-2012)
➠ Power unit: Fuel system (injector) VAZ-21214 (1994-2006)

Share with friends: