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-   Aquamist HFS-3 forum (http://www.aquamist.co.uk/forum2/vbulletin/forumdisplay.php?f=34)
-   -   Question about the different FAVs (http://www.aquamist.co.uk/forum2/vbulletin/showthread.php?t=3101)

Hope_Ender 07-11-2017 03:26 PM

Question about the different FAVs
 
Hi i have a HFS-3 earlier in the year i had water ingress and needed to replace the FAV.

I replaced it with 1300cc 806 - 239B instead of the replacement 806 - 556.(didn't look far down the page enough )

Should there be any difference? What is the standard FAV? 1300 or 1600

Reason i ask is, when the old FAV was working the car never over boosted but with the new one it over boosts on WOT.

Many thanks Richard in advance
Steve

Richard L 09-11-2017 11:03 PM

Re: Question about the different FAVs
 
It will be a 1300cc FAV.

What is the serial number of your controller? We have not changed the design of the FAV this year and the last. Unless you are comparing a partially failing FAV.

What is wrong with the last FAV?

Hope_Ender 10-11-2017 04:56 PM

Re: Question about the different FAVs
 
The last FAV failed because rain water got onto it. Corrosion on the three pins. So it would just go into failsafe when going into boost

So i replace the whole unit, and it works now. A little too well. I'm going to have it remap so this might fix it

Link G4 ecu controls the WI
SN 102434, bought Jan 2016

Richard L 10-11-2017 09:12 PM

Re: Question about the different FAVs
 
I am surprised water could got into the FAV as all components are IP54 rated.
You may need to re-dial in the settings of the system with this new valve.

Hope_Ender 10-11-2017 11:59 PM

Re: Question about the different FAVs
 
Quote:

Originally Posted by Richard L (Post 24076)
I am surprised water could got into the FAV as all components are IP54 rated.
You may need to re-dial in the settings of the system with this new valve.

Hi Richard, please explain what you mean by redial the settings? The controller was never touched, i assume you're just replacing like for like.

Once it's remap I'll report back. As it's the ECU that controls the flow. When it's off the ECU is on a different map

Richard L 11-11-2017 06:10 PM

Re: Question about the different FAVs
 
In that case, leave it as it is.

If you like to send the old FAV back to me, I will examine it tell you the cause do failure.


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