Originally Posted by martysmartie

The pump primes when the system pressure drops below 105 BAR, pumping the pedal with ignition on should run the pump though (As does it when your driving along).

Jon@work is the person to speak to.

It does sound like a sensor issue tbh, btw the system is exactly the same as used on Lesser models and Granadas if needing parts, diagrams etc (Tevas)

Martin