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stuck solenoid? HSW kit

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Old Jan 8, 2009 | 07:41 PM
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Default stuck solenoid? HSW kit

ok guys, just wired up my n20 install on my install, this is on the second motor I have done this kit on. Im getting fuel to my plate (put a coke bottle to hold fuel) I cut the power wire to my solenoid, and its still allowing fuel to my plate. Any ideas?
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Old Jan 8, 2009 | 08:11 PM
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sounds like your noid is on backwards, or you have some trash between the piston and seat.
With NO power to the noid these are the two most likely options.
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Old Jan 8, 2009 | 09:24 PM
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are youusing 12v or ground to activate the noid, if it is a ground, could the wire be grounding out somewhere, have you double check all your wiring and switches?
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Old Jan 8, 2009 | 10:06 PM
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wiring and switches are all been triple checked. The noid COULD be on backwards, but with no power to it, would it still be open? and I ASSUME its 12v activated. I could be wrong.
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Old Jan 8, 2009 | 10:50 PM
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Yes, depending on the solenoid. Can you post pics of your install and the solenoids? That may help a bit. Which solenoids do you have and do they have 3 ports?
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Old Jan 8, 2009 | 10:53 PM
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have you tried calling HSW tech support, they are great guys who will definatly help you find the issue
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Old Jan 8, 2009 | 11:08 PM
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no it was too late in the day, how about pics of the install in my v6 car, everything is the same (solenoids and whatnot)

if the solenoid is backwards, I might not of caught it, b/c the HSW emblem (body of the noid) swivels aound.



little blurry (n20 noids)

http://s84.photobucket.com/albums/k1...=IMAGE_130.jpg
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Old Jan 8, 2009 | 11:23 PM
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Use a pressurized source of fuel and see how much is making it past... Solenoids are simple to rebuild or check to see if something is binding the piston or there is junk on the seat....

All the solenoids work as normally closed, when you give it 12+ and ground, it activates an electromagnet that pulls the piston up allowing flow, if there is junk like excess thread sealant (you did not use teflon tape right?) or other stuff it can cause the piston to bind or not to seal on the seat.
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Old Jan 8, 2009 | 11:46 PM
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There is no Teflon tape around the solenoid or fpss. There is Teflon tape on the fuel rail, and fp sensor, and the 90* bend off the fuel rail. Other than that fuel solenoid hasn't been touched since it was on the sixxer.
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Old Jan 9, 2009 | 12:30 AM
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You should be fine with that... Id still open the solenoid up and look for debris or busted parts inside.
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Old Jan 9, 2009 | 07:23 AM
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You can verify if its hooked up correctly by checking the markings on the solenoid. There should be an IN and a OUT stamped on the stainless base. If its plummed backwards, it will let the fuel flow right past. Also, if there is any debris on the plunger, it can allow the seal to not seat completely on the base.

I can send you a step by step process to open the solenoid if you would like to inspect the seal. Or if you dont feel comfortable doing so, feel free to send it back to us for inspection and testing. Thanks!

Nick
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Old Jan 9, 2009 | 12:52 PM
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Oops. LOL. All fixed. Thanks nick.
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Old Jan 9, 2009 | 02:17 PM
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what was it?
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Old Jan 9, 2009 | 11:47 PM
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solenoid backwards...was a long day yesterday, swapped it on the dyno, and sprayed away!
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Old Jan 10, 2009 | 05:45 PM
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Originally Posted by chetmo
solenoid backwards...was a long day yesterday, swapped it on the dyno, and sprayed away!
lol, hey at least it was an easy fix.

Nick
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Old Jan 10, 2009 | 09:20 PM
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yep thanks again nick! saved me some trouble, dyno was 150 miles away! glad I could fix it there and juice it!
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