Renault Megane Quiz
Engine and peripherals

Fuel Pressure Regulator: Checking

In this manual: Engine and peripherals
Engine and peripherals — 141Chassis — 79Chassis — 72Renault Mégane III Driver's Manual — 87Electrical equipment — 221Engine and peripherals — 47Electrical equipment — 80Transmission — 14Air conditioning — 30Bodywork — 115Trim and upholstery — 44General vehicle information — 27Air conditioning — 59General vehicle information — 16Transmission — 38Sealing and soundproofing — 7General vehicle information — 3
~1min read

F4R or K4J or K4M

Essential special tools
Mot. 1311-01 Fuel pressure gauges and fuel pressure test connections
Mot. 1311-08 Fuel pressure test connector
IMPORTANT

During this operation, it is essential not to smoke and not to bring any incandescent object near the work area.

IMPORTANT

Beware of fuel spray when disconnecting the fuel supply fitting from the fuel rail.

WARNING

Protect the alternator from fuel flowing out of the rail and the supply pipe.

K4J - F4R engine

Régulateur de pression : Contrôle

K4M engine

Régulateur de pression : Contrôle
  • Disconnect the fuel inlet pipe from the fuel rail.
  • Connect:
  • the pipe (1) fitted with the gauge from the test kit (Mot. 1311-01), with the "T" fitting of the tool (Mot. 1311-08) (2),
  • the "T" fitting to the rail,
  • the fuel inlet pipe (3) to the "T" fitting.
  • Start the vehicle to run the fuel pump.
  • Read the pressure.
  • The pressure must be steady (3.5 bar +/- 0.06).
  • It may take a few seconds to build up a correct pressure in the fuel rail.

Test yourself

A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.