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Message: [QUOTE="Tiha, post: 1563571, member: 33189"] PCV testing, Pressure control valve. So the way this works, when you turn the KOEO it is open to allow the rails to fill with fuel, During cranking it shuts the flow off so the rail pressure can rise. If it is stuck open the rail pressure will come up slow, not rise, or rise but be too low to start. I got the return line off finally. Clamped it off. It still leaked a little. Ran a hose into a bucket. Turned key on until fuel was flowing out the hose. Cranked engine and flow stopped. PCV is good. Doing it's job. Sorry for the crappy video. Didn't realized you can't see the fuel flow but you get the idea. [MEDIA=imgur]a/gkpiRJL[/MEDIA] [ATTACH type="full"]187110[/ATTACH][ATTACH type="full"]187111[/ATTACH] [/QUOTE]

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