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Message: [QUOTE="78f100, post: 1405109, member: 3542"] I cant remember how long they say for sure but when I test them it's usually a minute maybe a little longer. I usually have a hose stuck down by the oil rail and the end in my ear to listen, and I normally don't hear the ipr click. If you're listening really close you will almost always hear a slight leak from the hole on back of the pump. It should be a noticeable difference between open and closed. As far as the percentage changing, that's the pcm saying what the ipr should be at, doesn't mean the ipr is actually there. You can also command the ipr while it's running and watch icp, it should go up as you command the regulator closed. Also as web06 said leave the air on it for 10min or so, sometimes it takes several min to leak. [/QUOTE]

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