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.
READ NEXT:
K9K, and 750 or 752 or 766 or 768
Operating diagram of the diesel fuel supply circuit
The circuit comprises:
a sender (1),
a priming bulb (2),
a fuel filter (3) that can be fitted with a water de
K9K
REMOVAL
I - REMOVAL PREPARATION OPERATION
Remove:
the front right-hand wheel (see Wheel: Removal -
Refitting) (MR 392, 35A, Wheels and tyres),
the right-hand wheel arch liner (see Front wh
D4F, and 740 or 742 or 764
REMOVAL
I - REMOVAL PREPARATION OPERATION
Disconnect the battery (see Battery: Removal - Refitting).
Remove:
the air filter box (see 12A, Fuel mixture, Air filter unit:
SEE MORE:
D4F, and 740
WARNING
Do not use any product designed to improve electrical
contact in the injection computer connectors
and oxygen sensors and on the oxygen sensor
body. Failure to respect this advice prevents the
oxygen sensor from operating correctly and results
in failure to comply with the emis
B85 or C85
IMPORTANT
Consult the safety and cleanliness advice and
operation recommendations before carrying out
any repair (see Airbag and pretensioners: Precautions
for the repair) (88C, Airbags and pretensioners).
IMPORTANT
To avoid any risk of triggering when working on
or near a pyrotechnic co
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