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2000 3500 4x4 dually with fass liftpump
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Howdy,

2000 4x4 ram 3500 DRW with fass titanium lift pump. I'm running Baldwin 7633 filter and 1212 Water separator. Fuel pressure would sit at around 15-17 psi and it just jumped to 18-20 psi. Figured the filter ripped or something in that regard so I swapped the filter (7633) because I had an extra on hand and there's no decrease in pressure. Cracked open the water separator to inspect it and it dropped to 15 but rose again when I sealed it up. I noticed a real drop in economy so that's my main concern any one know why this would be happening?

Thanks!
 

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I have hed trouble with ispro doing that.
I would try a mechanical one and see who is lying
 
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