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Discussion Starter · #1 ·
hey well i bought a k&n sri for my 2003 celica gts. at first it was fine and nothing was bad but after a couple of weeks the check engine light came on. afterwards i took my car to be checked and code 446 came up. i think the porblem might be the vacuum swithing valve since there isnt anything connected to it other than the blue electrical switch. thing is that it looks exactly how it does in the instrutions so i dont know why thats causing the light to turn on. so i want to know what can i do to fix this. help a noob out :confused: haha

heres some pics to help you guys out thanks alot
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Discussion Starter · #3 ·
we tried that already :( it was off for two days i think but then it came back on thanks though =]
hahaha hell yeah shes kicks a**
alucard's a beast XD
 

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From what I read some have the code kick on others don't.

It will come on no matter what I think. Only thing I can think of is keep reseting the battery and hope it goes away.
 

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Discussion Starter · #8 ·
From what I read some have the code kick on others don't.

It will come on no matter what I think. Only thing I can think of is keep reseting the battery and hope it goes away.
oh i see

so theres really no way of making the light stay off?
 

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I would search in the repair section, search "CAI" or something along those lines.

But I thought I read that some people have this issue no matter what but I could be mistaken.
 

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I have the same code on my GT, after my cousin ran some tests, we found out it was the ccv that went bad. What is a ccv you ask? Its short for canister closed valve. You may have the same problem. If you look at your first pic, the hose with the green cap connects to the mechanical piece thats held in place by the intake, and has another hose that shoots off under the valve cover. You may want to get that part tested to see if its sticking closed. If yes, its a $50 fix.
 

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When no power is running through the ccv, its open, you can unplug one of the hoses and blow air through it, but when its grounded, the ccv closes, not allowing any air to go through.
 

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Oh, I see, sorry bout that. I would say this, make sure your hoses are nice and tight, then reset the ecu. If that doesnt solve it, have your ccv and vsv checked (vsv = vacuum switching valve). If that doesnt work, the charcole canister may be bad. Hopefully its just a loose hose.
 
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