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FPSS help now

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Old Apr 30, 2005 | 06:40 PM
  #1  
formula87350's Avatar
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From: Albuquerque, NM
Default FPSS help now

Some of you may remember my previous post about the 17.8/1 on the dyno. Well I figured it out and it's my fuel pump, that bastard is leaning out N/A so I will be replacing that. My question is why didn't my FPSS shut the N2O off? I have it wired EXACTLY like the attached diagram with the white wire from the relay to the N side of the switch and the yellow wire from the window switch to the O side of the switch and am hoping that this is right since it's not labeled on the diagram. I am also wondering if maybe the FPSS is bad or if it's in a bad place for pressure. I have it right off of the schrader valve using one of the blue manifolds that Nitro Dave sells. Do you guys think that is an okay place or should I move it?

Thanks
Attached Thumbnails FPSS help now-15718withfpssandmsdwindow.jpg  
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Old May 1, 2005 | 12:39 AM
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From: Alton IL
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Im not using a FPSS, but if the FPSS is ran off PRESSURE, you could have proper pressure, but still going lean due to the tune. If your fuel system drops pressure, then the nitrous wont work.
Ive never used one, but thats the first idea that pops into my head.
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Old May 1, 2005 | 11:01 AM
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And/or it may not be set correctly (fpss). Many have had probs with their fpss.
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