Renault Clio: Fuel circuit: Operating diagram

D4F or F4R or K4J or K4M

Operating diagram of the petrol supply circuit ( " pump - sender - fuel filter " assembly).

The fuel system does not have a return.

The fuel pressure does not vary with engine load.

The circuit comprises:

• a rail (1) without a return pipe union and without a supply pressure regulator,
• a single pipe (2) coming from the tank,
• a " pump - sender - fuel filter " petrol supply assembly fitted with a pressure regulator (3), pump (4) and fuel filter (5) (all located in the tank),
• a fuel vapour recirculation tank (6).

Petrol supply circuit: Operating diagram

M4R

Operating diagram of the petrol supply circuit

The fuel supply circuit does not have a return.

The fuel pressure does not vary with engine load.

The circuit comprises:

• a " pump-sender-filter " fuel supply assembly located in the tank; it is equipped with the pump (1), the filter (2) and the pressure regulator (3),
• a single pipe (4) coming from the tank,
• a rail (5) with no return pipe and no pressure regulator,
• a petrol vapour recirculation reservoir (6) connected to the inlet manifold by a pipe and a solenoid valve.

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