 3sgte celica problems |
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 Nov 25, 2013 - 2:52 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%)  |
Hello, i'm just going to start off as im a complete noob but i will try my best to describe the problem i'm having, yesterday i bought a 96 gt celica convertible (for cheep) and i found out it has a running 3sgte in it. the problem i'm having is that it idles extremely rough. and will die unless i rev it up abit but while driving and my foot on the throttle it runs fine, when i'm coasting (foot off the throttle for awhile untill rpms go down) the car will die if i don't keep it my foot on the throttle, a side note it is a very cold day today so i'm not sure if its the dense air or it's something completely different. but it almost seems like it's not getting gas if i'm not mistaken. but again i'm a noob, any help would be greatly appreciated
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Nov 25, 2013 - 3:04 PM
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 Enthusiast  Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
Could be the IACV is completely clogged or seized, I'd look there first.
3S-GTE convertible? I think that might the first I've heard of anyone doing such, well at least in some time anyhow. This post has been edited by Box: Nov 25, 2013 - 3:05 PM -------------------- 2001 Miata LS 5-speed
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Nov 25, 2013 - 3:24 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
Wow, thanks for the fast reply, should i clean it or replace it? and i can take pictures, i got this car for 250$. i'm just trying to make it a reliable car again.
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Nov 25, 2013 - 3:40 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
$250 or $2,500!? Either way that's a hell of a deal with the 3S-GTE... Going to be a lot of jealous people here now.
 Definitely try and clean it first, more often than not it just needs cleaning.Should make a project thread when you have the time. This post has been edited by Box: Nov 25, 2013 - 3:41 PM -------------------- 2001 Miata LS 5-speed
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Nov 25, 2013 - 3:42 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
250, a mother sold me her sons car because he had moved and left it sitting in her yard for 3 years, and she handed me a perfect title and everything, it runs fine, just idles rough, also i just took a quick look at and i'm having a hard time finding the iacv also it needs wiring done, it looks really spotty, but it has been sitting for abit and for 250 i can't really complain.
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Nov 25, 2013 - 3:45 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
You're extremely lucky, that is probably the deal of the year. Which you need to figure out which generation 3S-GTE it is, but either way it's worth way more than what you paid. The IACV is near the underside of the throttle body. Get the idle and wiring straightened up and you'll have a Hell of a car.
-------------------- 2001 Miata LS 5-speed
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Nov 25, 2013 - 5:21 PM
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Enthusiast Joined Jan 12, '09 From State College, PA Currently Offline Reputation: 1 (100%) |
QUOTE (zomblaya @ Nov 25, 2013 - 3:42 PM)  250, a mother sold me her sons car because he had moved and left it sitting in her yard for 3 years, and she handed me a perfect title and everything, it runs fine, just idles rough, also i just took a quick look at and i'm having a hard time finding the iacv also it needs wiring done, it looks really spotty, but it has been sitting for abit and for 250 i can't really complain. .... wow 
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Nov 25, 2013 - 6:53 PM
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 Enthusiast Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%) |
if you need an iac i can help you. pm me!
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Nov 25, 2013 - 7:05 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
QUOTE (Box @ Nov 25, 2013 - 3:45 PM) You're extremely lucky, that is probably the deal of the year. Which you need to figure out which generation 3S-GTE it is, but either way it's worth way more than what you paid. The IACV is near the underside of the throttle body. Get the idle and wiring straightened up and you'll have a Hell of a car. How can i tell what gen it is? Also, i cannot seem to find the iacv, i looked at some pictures online but where mine is is something completely different? but i will check where you mentioned on the throttle body, the picture i looked at was on the firewall Ps. did garret make a turbo to fit the 3sgte? thats the only indication i can find on the turbo. |
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Nov 25, 2013 - 7:14 PM
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Enthusiast Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%) |
can you post a pic? gen i & ii used a toyota ct26 turbo. gen iii used a toyota ct20. gen iii i believe has an 8 hole exhaust manifold. gen ii had either 7 or 9 holes for the exhaust manifold. get some pics up!
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Nov 25, 2013 - 7:24 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
QUOTE (garin @ Nov 25, 2013 - 7:14 PM) can you post a pic? gen i & ii used a toyota ct26 turbo. gen iii used a toyota ct20. gen iii i believe has an 8 hole exhaust manifold. gen ii had either 7 or 9 holes for the exhaust manifold. get some pics up! yeah i will tomarrow when it's bright out. but i am warning you the engine bay and the wiring is such an eyesore! |
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Nov 26, 2013 - 1:26 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
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Nov 26, 2013 - 1:49 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
Looks to be a second gen from a MR2.
-------------------- 2001 Miata LS 5-speed
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Nov 26, 2013 - 1:52 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
Ah okay, i'm new to celica's so i wouldn't know if that is good or bad. And i still can't seem to find the iacv? Also, the car has 108xxx miles on the odo. (again don't know if thats good or bad.)
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Nov 26, 2013 - 2:12 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
It's better than what it came from the factory with.
The second gen makes 200 hp, though it's easy enough to increase that. It's possible that they removed the IACV, for whatever reason, and have a block off plate on it.
-------------------- 2001 Miata LS 5-speed
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Nov 26, 2013 - 2:16 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
Alright.. So next step would be to find a leak? And eventually i want to increase the hp on it, but not untill i give her what she needs.
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Nov 26, 2013 - 2:23 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
A leak would cause idle to be high and not drop, you have the complete opposite problem. It's something to do with the IACV whether it's clogged, broken, or not even there.
-------------------- 2001 Miata LS 5-speed
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Nov 26, 2013 - 2:34 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
 Does this help? |
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Nov 26, 2013 - 2:44 PM
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Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
 The IACV is what's at the bottom with the three tubes. This post has been edited by Box: Nov 26, 2013 - 2:45 PM -------------------- 2001 Miata LS 5-speed
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Nov 26, 2013 - 2:56 PM
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Enthusiast Joined Nov 25, '13 From tulsa ok Currently Offline Reputation: 0 (0%) |
  i tried taking a picture of under my TB |
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