All articles on the device and repair of components and assemblies of the fuel supply system of the gasoline engine of VAZ-2115 cars (Lada Samara 115, sedan) and their modifications.
Features of the design of the power system The scheme of the fuel supply system with distributed injection is shown in fig. 4.19. 4.19. Fuel supply system with distributed injection: 1 - fitting for fuel pressure control;...
Reducing the pressure in the power system Warning! In the power supply system of the engine with fuel injection, the pressure is 30 MPa (3 kgf/cm 2 ). Therefore, it is forbidden to loosen the fuel line connections while...
Replacing the air filter element The replacement of the air filter element is regulated and is carried out every 30,000 km. The condition of the filter element depends on the operating conditions of the car: on...
Removal and installation of the air filter The manufacturer recommends that when removing the filter, cut off its rubber supports. In this case, they will have to be replaced with new ones. You will need a screwdriver. 1....
Fuel filter replacement The replacement of the fine fuel filter is regulated - every 30,000 km. However, its condition depends on the quality of gasoline: the dirtier the gasoline, the faster the filter...
Removal and installation of the fuel tank If a fuel leak is detected from the tank, it is recommended to replace the tank. If the fuel pump screen is often clogged, remove and flush the tank. If a leak is found along the...
Removal, repair and installation of the fuel pump If engine power drops, increased noise is heard, or intermittent «howls» while the fuel pump is running, it is likely that the fuel pump has failed. First, check the pressure in...
Checking and replacing injectors Signs of bad injectors: difficult engine start; unstable engine operation; engine stalls at idle ; increased idle speed of the crankshaft; the engine does not develop full power;...
Checking and replacing the fuel pressure regulator Signs of a bad fuel pressure regulator may include: unstable engine operation; the engine stalls at idle; increased or decreased idle speed of the crankshaft; the engine does not...
Throttle Cable Replacement If throttle actuator adjustment fails to achieve full throttle opening or closing, or if actuator sticks, replace throttle cable. You will need: screwdriver, wrench «at 17». 1....
Throttle Actuator Adjustment You will need: two keys «at 13», Phillips screwdriver. 1. Disconnect the air inlet pipe 1 from the throttle body and the hose 2 of the large branch of the crankcase ventilation...
Removal and installation of the throttle assembly Signs of a throttle that is not fully closing may include increased idle speed and fuel consumption; signs of not fully opening are as follows: the engine does not develop full...
Evaporative Emission System So, an adsorber of the fuel vapor recovery system is installed in the engine compartment: 1 - adsorber; 2 - solenoid valve for adsorber purge; 3 - connecting hoses. This subsystem...