Vehicle fuel system Chevrolet Aveo 1.5 (T250)

The principle of operation of the fuel system
The task of the fuel metering system is to supply the required amount of fuel to the engine under all operating conditions. Fuel is supplied to the engine by...

Fuel supply system operating modes
Launch mode When the ignition is turned on, the ECM switches on the fuel pump relay for 2 seconds. The fuel pump creates fuel pressure. The ECM checks the...

Fuel system diagnostics
Caution: The fuel system is under pressure. To avoid fuel spillage and risk of injury or fire, turn off the power before disconnecting the fuel lines. Caution:...

Removal the fuel tank
Caution: The fuel system is under pressure. To avoid the risk of injury or fire, relieve the fuel system pressure before disconnecting the fuel lines. 1....

Installing a fuel tank
1. Raise the fuel tank and secure it by tightening the bolts to a torque of 20 Nm. 2. Connect the fuel return line. 3. Connect the wire harness clamps and fuel...

Removal the fuel pump
Caution: The fuel system is under pressure. To avoid the risk of injury or fire, relieve the fuel system pressure before disconnecting the fuel lines. 1....

Installing a fuel pump
1. Clean the gasket mounting surfaces on the fuel tank. 2. Install a new gasket. 3. Install the fuel pump into the fuel tank in the same position as it was...

Removal the fuel filter
Caution: The fuel system is under pressure. To avoid the risk of injury or fire, relieve the fuel system pressure before disconnecting the fuel lines. 1....

Installing a fuel filter
1. Install the new fuel filter into the mounting clamp. Pay attention to the installation direction. 2. Install the fuel filter bracket bolts. 3. Connect the...

Fuel manifold and injectors
Multiport Fuel Injection (MFI) is an ECM-controlled device that meters a portion of pressurized fuel into each cylinder. The ECM supplies control pulses to the...

Removal the fuel manifold and injectors
Caution: The fuel system is under pressure. To avoid the risk of injury or fire, relieve the fuel system pressure before disconnecting the fuel lines. 1....

Installing the fuel manifold and injectors
Please note: Injectors are marked by flow capacity. When ordering a fuel injector, make sure you order the part with the same number as the old injector. 1....

Fuel vapor recovery system
The fuel vapor recovery system operates on the principle of using a container filled with activated carbon. Fuel vapors are fed from the fuel tank into a fuel...

Forced crankcase ventilation system
The Positive Crankcase Ventilation (PCV) system is designed to prevent crankcase gases from entering the environment. Fresh air is supplied to the crankcase...

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