[gitplayer]

Kann allerdings auch normal sein beim Aeoromotive:

http://www.supramania.com/forums/sho...pping-pressure

NOTE: Testing the enclosed regulator by applying air pressure or vacuum to the vacuum port with a
hand-held pump will yield poor results, due to the slight air leakage through the adjustment screw
threads. This minute leakage, which is typical of all adjustable fuel pressure regulators, does not, in any
way, affect the performance of the regulator.
The enclosed regulator will not necessarily seal to hold fuel pressure after the fuel pump stops running.

Hab gerade die Anleitung durchgeschaut, das steht da wirklich genau so.

Is ja super...