Is the FICD necessary?

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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Rubyz32
Posts: 120
Joined: Fri Apr 18, 2014 4:41 pm
Car: 90 n/a z32
No mods as of yet

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After performing the tests in the FSM, I have decided that my FICD valve is not working properly. When it is plugged in, with the screw turned all the way in and the IACV unplugged, the idle sits around 1300rpm.

I have no a/c. Can I leave the FICD unplugged without causing any damage? I have the idle adjusted to a very smooth 750. I plan on replacing it eventually, but funds are low right now. Thank you.

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Ace2cool
Posts: 11650
Joined: Sun Apr 20, 2008 5:21 pm
Car: 1991 Nissan 300ZX TT
1966 Datsun Fairlady 1600
2005 Suzuki GSX-R 600
1974 Honda CB550 Four
2009 Ford F150 Lariat
Location: Murfreesboro, TN

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Necessary? No. Helpful? Yes. It also helps bump the idle for power steering.
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ThisIsSparTTa
Posts: 738
Joined: Wed Sep 26, 2012 6:02 pm
Car: 91 300ZX TT 2+0

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http://z32.wikispaces.com/Idle+Control

You should be able to find one used off someone for cheap though. I'd just replace it.
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