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Old 06-01-2005, 09:05 PM
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Default please need help fast! leaving in 30 min

ok ive been having a problem with my nitrous system!

i replaced the relay and checked all wires, checked both solenoids to see if they work and they both do.

now the problem is when i go to spray, nothing happens. The Fuel noid still works when wot is clicked, but not nitrous!

could my FPSS be fried or what?

also could i bypass it for now till i get a new one?

please repond quickly..money is depending on this!

Randy
Old 06-01-2005, 09:16 PM
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its a possibility...i was havin trouble with mine but it would work till abour 4800-5000 than shut the nitrous off...i bypassed it and it runs fine now..back to the norm 6300...its up to you if you want to chance it but you should atleast try it to see if its the problem...hope this helps..goodluck.
Old 06-01-2005, 09:21 PM
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chance what? bypassing the FPSS?
Old 06-01-2005, 09:47 PM
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yeah...if your plannin on using your nitrous sometime soon your allways takin that chance if you bypass the FPSS that something might happen...just put it this way..if i were you, id bypass it basically to find out if thats your problem or not
Old 06-01-2005, 09:55 PM
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yea...but his fuel solenoid works.

you check and verify the correct wiring on the nitrous solenoid?
Old 06-01-2005, 10:06 PM
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Originally Posted by Ping King
yea...but his fuel solenoid works.

you check and verify the correct wiring on the nitrous solenoid?
if its wired properly a FPSS shuts the nitrous off in the event of fuel pressure drop...has nothing to do with the fuel solenoid..that'll still work. when mine malfunctioned it would still dump the fuel but no juice. im not expert, i could be wrong, but im just talkin from my own personal experiance.
Old 06-02-2005, 01:36 AM
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it was the FPSS, bypassed it and it worked!
Old 06-02-2005, 01:42 AM
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Should have both noids running through FPSS. Why would you want fuel pumping into your intake when your having a malfunction in your system, just asking for a big boominski.
Old 06-02-2005, 04:20 AM
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Originally Posted by TWINTURBORAMAIR
if its wired properly a FPSS shuts the nitrous off in the event of fuel pressure drop...has nothing to do with the fuel solenoid..that'll still work. when mine malfunctioned it would still dump the fuel but no juice. im not expert, i could be wrong, but im just talkin from my own personal experiance.

Actually, that's probably improperly wired. The FPSS, when properly wired and activated, should shut down the entire nitrous system. Including both fuel and nitrous noids......
Old 06-02-2005, 05:40 AM
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well the scheme i used was posted up top!
Old 06-02-2005, 06:56 AM
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well im glad you found your problem...

as far as wiring, i dunno, maybe my system isnt wired for both noids...im also running a timing tuner whch may have something to do with it. i didnt wire the system up, my friend took that task on and hes wired up plenty of nitrous systems so i trusted him to do so...ill have to check into it.
Old 06-02-2005, 10:14 AM
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It's as simple as wiring both noid grounds through FPSS, then any fuel problem shuts the ground path down for both n2o and fuel.
Old 06-02-2005, 03:29 PM
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both solenoids should be wired in parallel.




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