Pressure regulator test

How to test a gasoil pressure regulator / flow regulator (IMV). Demonstration on a Renault Clio 2 1.5 dci with a Delphi high pressure pump. The regulator is removed to show the movement of the solenoid valve when it is supplied with 12 volts. It is possible to carry out the test without disassembling the regulator, supplying it with 12 V and listening to the solenoid valve (tic) when it is powered. However, disassembly makes it possible to evaluate the fouling state of the diesel circuit.

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