Vehicle fuel system Renault Megane 2

Removal and installation the injector housing gasket (K4J)
Removal Disconnect the wires from the battery terminals, starting with the negative terminal. Remove the intake manifold. Caution: Beware of gasoline emissions when disconnecting the fuel supply line from the fuel rail....

Removal and installation the injector housing gasket (K4M)
Removal Disconnect the wires from the battery terminals, starting with the negative terminal. Remove the intake manifold. Caution: Beware of gasoline emissions when disconnecting the fuel supply line from the fuel rail....

Checking the fuel pressure regulator (F4R)
Caution! The turbo boost pressure regulator rod must not be adjusted. Remove the turbocharger. Caution! The test cannot be performed with the turbocharger installed. Fig. 2.208. Checking the fuel pressure regulator Use...

Boost Pressure Regulating Solenoid Valve (F4R)
Fig. 2.209. Boost pressure control electromagnetic valve: 1 – pneumatic drive; 2 – electromagnetic valve The pneumatic drive of the boost pressure regulator is controlled by an electromagnetic valve according to...

Fuel supply system (all engines)
In a fuel supply system without a fuel return branch to the tank, the fuel supply pressure does not depend on the engine load. Fig. 2.211. Functional diagram of the fuel supply system: 1 – ramp; 2 – fuel line; 3 –...

Fuel filter (all engines)
Fig. 2.212. Fuel filter The fuel filter on cars with gasoline engines is located in the fuel tank, is an integral part of the "pump-fuel level sensor-filter" unit and is not removed separately (fig. 2.212). The filter...

Removal and installation of the fuel distribution rail and injectors (K4M)
The injectors are attached to the fuel distribution rail with holders. Fuel constantly circulates around the injector body, which prevents the formation of gasoline vapor bubbles and makes it easier to start a hot...

Checking the electric fuel pump (all engines)
Disconnect the fuel supply line from the fuel rail. Fig. 2.214. Connection diagram of devices when checking an electric fuel pump: 1 – pipeline with pressure gauge; 2 – "tee" of the device (Mot. 1311–08); 3 – fuel...

Fuel tank (all engines)
Fig. 2.215. Fuel tank: 1 – fuel tank; 2 – mounting holes; 3 – filler neck; 4 – Filler neck fastening clamp; 5 – Brake pipe mounting brackets; 6 – fuel supply pipeline; 7 – gasoline vapor supply pipeline; 8 – pipeline...

Removal and installation the fuel tank (all engines)
Removal Drain the fuel from the tank. Remove the "fuel pump - fuel level sensor - fuel filter" assembly. Place the vehicle on a two-post lift. Disconnect the wires from the battery terminals, starting with the negative...

Removal and installation of the pump-level sensor-fuel filter unit
Removal Disconnect the wires from the battery terminals, starting with the negative terminal. Lift the rear seat cushion. Remove the mat holder. Turn the mat away. Unscrew the bolts securing the trim, remove the trim...

Checking the fuel level sensor (all engines)
The data for checking the fuel level sensor are presented in Table 2.10. Table 2.10. Checking the fuel level sensor Note: To measure the height H (between the float axis and the working plane) place the removed sensor...

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Megan 2 (2002-2009, petrol)