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f/p reading with no fuel?

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Old 04-01-2012, 09:39 PM
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f/p reading with no fuel?

Scratch'n my head on this one, guys. Long story short, installed wvo system, TOTALLY isolated system. Only thing sharing is the fuel rail.

With wvo pump run'n, fuel bowl drained, and having CV's on diesel fuel line side, i'm still registering psi on my diesel f/p gauge , and no (run'n diesel thru wvo system to check for leaks), no diesel is get'n past cv's to fill bowl up. I let it idle for abit, along with revving motor, and no fuel present in bowl, but f/p climbed to 60psi? Whats goin on, lol?

O-ya, have a switch to turn diesel side pump off, which it was off.

Any input is greatly appreciated.
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Old 04-02-2012, 11:41 AM
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i'm wondering if my signal wires between the 2-sensors are communicating. The wvo sender is located on the "manifold" in the valley, where the other sender(d2) located on the fuel bowl. Both signal wires are sharing the same loom. Gonna disconnect either the ground or + wire from D2, and go from there....only thing i'm coming up with?
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Old 04-02-2012, 12:27 PM
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Found it. The 2 senders were communicating...i disconnected the wvo sender, but ran truck on wvo pump, and no reading was present on D2 gauge...
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Old 04-03-2012, 07:41 PM
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Good to hear you have it figured out. Don't mess with the stuff except to make bio.
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