duel walbro issue

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Dec 18, 2008 | 11:29 AM

cjg454ss

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duel walbro issue

I have a turbo setup with a fuel issure.i have an autometer electric fuel guage. my pressure is set at 60psi, it will stay there sometimes. then i shut the car off and it will go to 70psi and sometimes more, sometimes it will sit on 40psi. its just isnt consistant.. i have 2 walbros, wired on all the time, -8 feed, -6 returns, aeromotice rails and proseries regulator. anyone have a though of what this is.

Dec 18, 2008 | 12:38 PM

Shoaf85

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Does it stay steady while it is running and only fluctuate when the car is tuned off or what? If it is actually changing pressure on each start up then I would check your wiring/relay/gounds etc. Maybe check for fuel leaks with the linse inside the tank.

Dec 18, 2008 | 01:58 PM

veee8

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If it is like my autometer electric pressure gauge, when you turn off the ignition, the gauge is off and not reading anymore. The sending unit, gets its power from the gauge, so I don't think the number you are seeing is factual.

Dec 18, 2008 | 06:53 PM

cjg454ss

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no its different when the ignition is on and the guage has power. i did blow a line in the tank before and replaced it. i just did a test

key on 60psi,
started motor 60psi
engine off key on 70psi
key on again running 40psi.

im stumped,