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Joined: Aug 2004
Posts: 138
Kenton2k
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Kenton2k Mar 18, 3:49am - #419773 
2000 Silver Toyota Celica
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2000 Toyota Celica

Joined: Aug 2004
Posts: 138
Colchester, Illinois
Dumb Question! Help me out!

Ok, this is a majorly dumb question, but what is that black plastic tube that runs from the ecu box (the box that says DO NOT OPEN in flamboyantly large letters) to down underneath the radiator? What's it called and what does it do? I took it out to put on my CAI... will this hurt it?
Joined: Jan 2005
Posts: 278
GTSGhostRida
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GTSGhostRida Mar 18, 3:53am - #419774 

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2003 Toyota Celica GT

Joined: Jan 2005
Posts: 278
Bellevue NE
yeah your gonna die, that deverts all the toxic gas from your enine outside..now its all coming inside your car...































yeah im just bs'in..i have no clue...
Joined: Feb 2005
Posts: 367
bajoconstruction
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bajoconstruction Mar 18, 4:35am - #419775 

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2003 Toyota Celica

Joined: Feb 2005
Posts: 367
Arizona
Originally Posted by Kenton2k
Ok, this is a majorly dumb question, but what is that black plastic tube that runs from the ecu box (the box that says DO NOT OPEN in flamboyantly large letters) to down underneath the radiator? What's it called and what does it do? I took it out to put on my CAI... will this hurt it?
Hmm I have no clue...I guess as long as you DO NOT OPEN it, it won't do any harm LOL. Have you tried calling your local Toyota dealership?
Joined: Feb 2004
Posts: 1,716
celicafourotwo
Specialist
celicafourotwo Mar 18, 4:39am - #419776 

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2000 Toyota Celica

Joined: Feb 2004
Posts: 1,716
Nebraska
that tube is there to keep ur ecu cool..i think..i read it somewhere about it..but it don't hurt nothing if you remove the tube..just don't remove the ecu cap..leave that alone..i'm running with half of that tube, just the top portion is hooked onto the ecu box, the bottom portion that hook to the radiator is in my room, in the closet..

Originally Posted by pesho01
Question:
Whenever my car is at a full stop or even in park the RPM never sits on 0. what does this mean?
Joined: Aug 2004
Posts: 138
Kenton2k
Member
Kenton2k Mar 18, 5:01am - #419777 
2000 Silver Toyota Celica
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2000 Toyota Celica

Joined: Aug 2004
Posts: 138
Colchester, Illinois
hahah why did you take yours out? CAI install?
Joined: Oct 2003
Posts: 1,864
stefanoc
Specialist
stefanoc Mar 18, 5:08am - #419778 

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2002 Toyota Celica

Joined: Oct 2003
Posts: 1,864
CA
thats there to cool the ecu.
the ECU is just like a computer, it will heat up if its on. now that you took that off, the hot air from the engine bay is gonna enter through the hole instead of the cool air that the pipe is faced down for.
its up to you though if you wanna let hot air go there or not.
Joined: Aug 2004
Posts: 138
Kenton2k
Member
Kenton2k Mar 18, 3:53pm - #419779 
2000 Silver Toyota Celica
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2000 Toyota Celica

Joined: Aug 2004
Posts: 138
Colchester, Illinois
Where does that long tube connect to underneath the radiator? Does it hook into a place that lets cool air flow up into the ecu box?
Joined: Feb 2003
Posts: 914
robare99
Senior Member
robare99 Mar 18, 5:21pm - #419780 

Senior Member
2003 Toyota Celica GT

Joined: Feb 2003
Posts: 914
Alberta, Canada
Yeah at the bottom of the radiator mount, (the plastic part) there is a hole that the bottom of the tube snaps in to.
Joined: May 2004
Posts: 2,979
RookieGTS
Boobie Vision
RookieGTS Mar 18, 5:36pm - #419781 

Boobie Vision
2000 Toyota Celica

Joined: May 2004
Posts: 2,979
925 Nor Cal
yeah if you keep it off. And your ECU will heat up and may throw a CEL at you (Check Engine Light) You may want to consider putting that black tube back on.
Joined: Nov 2004
Posts: 306
JettaMan
Member
JettaMan Mar 18, 5:48pm - #419782 

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2002 Volkswagon Jetta GLS

Joined: Nov 2004
Posts: 306
Annapolis, Maryland
hot ECU = slower performance = CEL and the car may even shut it self off because the computer is trying to protect it self

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Posts: 1,304
SLVCELI
Specialist
SLVCELI Mar 18, 8:51pm - #419783 
2002 Liquid Silver Metall Toyota Celica GT
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2002 Toyota Celica GT

Joined: Feb 2003
Posts: 1,304
West Chester, Ohio
Doubt you will have a problem. I have run without it for 2 years. Countless people said they hadnt had theirs on for a while and no problems.

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