A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: a pumping chamber (11); a piston (12) which is slidingly mounted inside the pumping chamber (11); a suction channel (14) connected to the pumping chamber ...

Monitoring equipment for monitoring the performance of an engine fuel injector valve (46). A source (10,12) of pressurised fluid and an injector valve head (36) are provided with connection means (44) to enable an injector valve (46) to be connected theret...