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*** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

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Old 12-08-2014, 04:34 AM   #326
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

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Originally Posted by stringseagle View Post
My 92 tegra idles at about 1800-2000 constantly... its not just when its cold or until it warms up... as soon as I let off the gas it drops to where it should be (800-1000) then right up to about 2k. I am not very car savvy but I have been learning. So I am just curious if this would be the same problem in this post. most of the people with this posts issue describe a temporary idle issue that resolves itself after awhile.. mine never resolves.
Also, not sure if its related, my power steering is loud... I recently replaced the power steering pressure hose, the previous one was perforated with cracks... so maybe it's just loud because its under full pressure now.. not sure.

any insight would be appreciated!

92 b18a 1.8l hatchback
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Old 12-08-2014, 04:37 AM   #327
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Your fitv would be a good place to start checking....very similar to the problem I had...the rpm's over a period of time just got higher and higher...and I'm not sure about the power steering being "loud"? Do you mean a (whining) type of sound? If so, either the fluid is low or the pump maybe bad.
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Old 12-16-2014, 02:13 PM   #328
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

for cleaning the fitv, i know it recommended throttle body or brake cleaner, is there anything else that can be substituted for that?
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Old 07-01-2015, 08:37 PM   #329
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Thanks for posting. I just fixed my issues with idling today. I found out that the plunger from the FITV came out from the threads. I just screwed it back in place also cleaned it too. Now problem solved! Thanks again!
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Old 07-05-2015, 02:18 PM   #330
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Awesome thread, cleaned icav and still had a problem... Cleaned this and now my gsr is idling right where it should... 👍👍👍👍
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Old 10-18-2015, 06:15 PM   #331
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

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Thanks for posting. I just fixed my issues with idling today. I found out that the plunger from the FITV came out from the threads. I just screwed it back in place also cleaned it too. Now problem solved! Thanks again!
My plunger was completely backed out and l loose as well.
Screwed back in... now perfect. A great thread.
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Old 10-18-2015, 11:31 PM   #332
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

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Originally Posted by stringseagle View Post
for cleaning the fitv, i know it recommended throttle body or brake cleaner, is there anything else that can be substituted for that?
Brake cleaner or carb cleaner works best and its dirt cheap and cuts right through the grime! its less than $2 at walmart and there everywhere open 24hrs. It also makes it easy cause you can use the straw and blast all the crud out.
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Old 03-31-2016, 12:18 PM   #333
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Default Re: (-Todd-)

I had the same qustion
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Old 10-30-2016, 07:42 AM   #334
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

I was researching the FITV and came across this thread. I saw lots of mention of no FITV on '96 and up Integras, but automatic tranny cars have the FITV all the way to 2001.

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Old 11-04-2016, 07:04 AM   #335
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

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Originally Posted by wildoutwhitegsr View Post
First things first, you have to determine if your FITV needs cleaning. Now if youíve never done it before it probably does unless you bought a complete new one.

Reasons why you should take it apart and cleaning it:

-High idle before your car warms up, above 1500-1800rpm
-Lumpy idle
-Roaming idle
-Hunting idle
-Fluctuating idle


Tools Needed:

Ratchet
8mm Socket
10mm Socket
Pliers
Flathead Screwdriver
Throttle Body Cleaner or Brake Cleaner
Paper Towels
A cooled down engine for at least 2 hours

1) Now you got to locate where the FITV is. If your car is 1996 and newer you donít have one. But for the older Gen 3 models like me, we do. Pop your hood and itís located directly beneath the throttle body. Itís actually connected to it.

Attached to the FITV is one coolant line. This is how it looks with the intake on



This is how it looks with the intake removed



2) Now that weíve located it, Remove your intake and strut tower bar (if applicable). Next remove the one coolant hose that is attached to it, using the pliers to loosen the clip. Have lots paper towels underneath to catch the coolant when it leaks out.



3) Next is to remove the three 10mm bolts located at the bottom of the FITV. **Note the intake manifold here is upside down to make it easier for you to see**



After it is removed from the engine it should look like this



Now spin it around to located the two 8mm bolts



4) After you located those two bolts remove them carefully and you should be left with this. Sorry for the blurry picture, I was cold and shivering.



5) Now unscrew it with a screwdriver





You should be left with this



6) Now take it apart and give it a good cleaning with the throttle body or brake cleaner. This is what we should have taken apart so far minus the cap and two 8mm bolts



Before





After



Semi put back together and cleaned



All cleaned up and back together



7) Clean up the inside of the FITV body like so



8) Now screw it all the way back in or back to where it was before if your car idles fine.





Side view shot through the hole. It isnít screwed in all the way since my car idles fine at that position. Screw it in more if your car idles to high. The opposite if it idles to low.



9) Now put the cap back on and tighten the two 8mm bolts back down.



10) Reinstall the FITV back on your car following steps backwards from step 3 to step 1




Good Luck





Modified by wildoutwhitegsr at 1:02 AM 3/19/2006

Why can I not see these pictures? Why does this website drastically slow down my browser? AGHHHHH!
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Old 11-04-2016, 09:53 AM   #336
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

I have seen mention of using grease, and silicone grease on the o-rings to make a nice seal.

Is di-electric grease suitable? My understanding is that it is pure silicone grease.
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Old 08-24-2017, 10:35 PM   #337
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Hey guys I need some help. I put a b20 from a crv I'm my 1990 Integra and it idles crazy high. I think it's my FITV it has two coolant lines, I don't know where to hook up the bottom line i just plugged it with a bolt. Any help on what I could do to hook up my FITV hose correctly will be much appriciated. Thanks!
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Old 09-01-2017, 12:43 PM   #338
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Damet Photobucket all the countless builds and DIY's on Ht are nothing without pics.. I need the DIY's lol... the photos do not work anymore because of photobucket! :'(
I hope he can re-host/add them back into the thread..
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Old 09-11-2017, 01:16 AM   #339
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

The Internet Archive.org copy of this page includes the pictures:

https://web.archive.org/web/20170114...valve-1564019/
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Old 09-13-2017, 06:57 PM   #340
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Default Re: *** How-To*** Clean Your FITV aka Fast Idle Thermo Valve

Just a tip if you guys see the "update your photobucket account for 3rd party hosting" right click the image and hit "Open in new tab" it'll open the image on photobuckets page.

I suggest anyone using photobucket to pull all your images down and start an Imgur account to host images.
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