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Old 12-19-2006, 06:08 AM   #1
september
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Member#: 126677
Join Date: Sep 2006
Location: in my head, within san diego
Vehicle:
05 sti
perky, pesky

Default my I C sprayer pump LED is coming on- normal?

I have been driving my 05 STI since Oct. The IC sprayer light has never turned on. A few days ago, under hard acceleration ( near redline maybe ) I noticed it blink on for a millisec. At first I cound not recognize the LED. Now today just after my second oil change, I was driving it harder than usual ( heat in turbo ) and it came on for longer periods.

(I don't think the top mechanic changing oil had anything to do with it.
He does me a favor- he has a customers 93 Skyline in his garage. 2.6L SIX twin turbo 500 hp! )

Nearing home, I was NOT "on it" and the LED was kicking in more easily.

I need advice before I bring it to dealer

thanks
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Old 12-19-2006, 10:32 AM   #2
wrxdrvr
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Member#: 79222
Join Date: Jan 2005
Chapter/Region: W. Canada
Location: Canada BC
Vehicle:
'09 STi 297.5 WHP
Blue

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First guess...Low water warning light.?
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Old 12-19-2006, 10:51 AM   #3
Flipn
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IC sprayer light = low water in IC spray Tank (located in the trunk, passenger side)
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Old 12-19-2006, 04:51 PM   #4
september
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Member#: 126677
Join Date: Sep 2006
Location: in my head, within san diego
Vehicle:
05 sti
perky, pesky

Default distilled or?

Thanks- sorry about the avoiding of Manual. He has really bad breath and teeth too !!

Distilled water a good idea?

Do I need some kind of gauge to actually note the temperature instead of this arbitrary 'spray the pump when the spirit moves you', methodology?

Same with turbo boost gauge- do i need this?

Thanks for your answers
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Old 12-19-2006, 05:50 PM   #5
wrxdrvr
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Join Date: Jan 2005
Chapter/Region: W. Canada
Location: Canada BC
Vehicle:
'09 STi 297.5 WHP
Blue

Default

I find that if you spray the IC a few times about 1 min and about 30 sec before you think you are actually going to "need" it that will get the IC as cold as it's going to get and it will stay that way for a few minutes...Giving it a shot before/just as you park the car will also keep the IC from getting much heat soak. A boost gauge is a must as far as i'm concerned, and if you want to get an inside outside car temp display it works well as a IC temp display if you push the sensor into the top of IC/fins.
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Old 12-21-2006, 02:02 AM   #6
WRXDriftR
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Chapter/Region: Tri-State
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04 WRX/ STi Hybrid
6MT, VF43

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^ but that wont really give you a good reading of "heat soak".. just the temperature of the air hitting the top of the TMIC as you drive. Sure at a stop it would work, but while moving it would simply read the temp of the air outside as it blows past.

I found using a digital thermometer inside the car and running the external probe into intake box, below the air filter gives accurate reading for the temp of air entering the turbo. Thats what the ECU will read as well with the MAF.
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Old 12-21-2006, 11:00 AM   #7
wrxdrvr
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'09 STi 297.5 WHP
Blue

Default

Ahh,.. but it will tell you the IC temps if you push the sensor into the fins at the very edge of IC and tape it down. And when you close the hood the rubber seal from hood scoop goes over on top diverting airflow...As for the air temps going into the airfilter box its nice to know too, I get my reading from the MAF sensor, With the IC temps easily showing much higher temps than the airbox..The best way to know the air temps in/out of IC is a temp probe into airflow before & after IC wich I also have... It's interesting to see the difference temps as a reaction to different driving conditions.
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