Injection engine power system VAZ-2104

Description of the power supply design of the injection engine
Elements of the injection engine power system: 1 - air intake; 2 - air filter housing; 3 - sleeve for supplying air to the throttle body; 4 - throttle body with idle speed...

Pressure relief in the power system
Attention! When performing work related to the depressurization of the power system, be careful. When the engine is running, it is forbidden to depressurize the system, since the...

Fuel filter — replacement
The filter is replaced according to the frequency of maintenance after 30,000 km of the car's run. Removing 1. We prepare the car for operations (see " Vehicle preparation for...

Pressure in the power system — check
To perform the work, you will need a pressure gauge with a gasoline-resistant hose put on its threaded fitting. 1. We prepare the car for operations (see " Vehicle preparation for...

Pressure regulator — removal and installation
Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. Relieve pressure in the power system (see " Pressure relief in the power...

Electric fuel pump with fuel gauge sensor — removal and installation
Removing 1. Relieve pressure in the power system (see " Pressure relief in the power system "). 2. Disconnect the wire from the negative battery terminal (see " Battery - removal...

Fuel rail — removing, installing and checking injectors
We remove the fuel rail to check or replace the injectors, as well as when removing the intake manifold. You will need an ohmmeter to test the injectors. Removing the fuel rail 1....

Idle speed regulator — check, removal and installation
1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. We release the clamp of the wiring harness block and disconnect the block from...

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

Fuel tank — removal and installation
An assistant is required to carry out the work of removing the tank. Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and...

Air filter element — replacement
The filter element of the air filter is replaced according to the frequency of maintenance after 20,000 km of the car's run. When driving frequently on dusty roads, the filter...

Air filter housing — removal and installation
Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. Disconnect the mass air flow sensor from the air filter housing (see "...

Throttle cable — replacement
Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. In the passenger compartment with a screwdriver, pry off the tip of the...

Adsorber — purge valve check, removal and installation
Checking the purge valve 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. Having released the latch, disconnect the block of the...