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not building boost - 6G Celicas Forums

Topic #83427 136 posts Started by easternpiro1
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QUOTE (Soulend @ Oct 5, 2012 - 2:01 PM) *
>whoa, weird looking wastegate... what gen engine is that off of?


4th gen st215

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
We can clearly hear the turbo spooling. So, I'm with your friend about the leak on the cold side. Check all your intercooler piping/joints. This is weird that a simple boost leak test do not reveal anything...

Good luck!

Sam
thanks sam!! also i wanted to mention (not sure if i did) but my idle is VERY stragne, goes to 500 then hovers around 800-9 at times... when I cruise my AFR goes off the chart to WAY lean (18afr) and the car stutters would the boost leak attribute to this?

This post has been edited by easternpiro1: Oct 10, 2012 - 2:28 PM

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
Boost or vaccum leak yes.....is your intakr manifold tight and sealed!?
you know what? I was thinking about that the other day, I have an oil leak back there somewhere... i wonder if its worked its way back there, and mucked things up? I was so focused on the other areas (since i never went near the intake manifold) that it never really crossed my mind... Is this possible?

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
quick update, after eyeballing my vacuum lines again, I found a hole about the width of a #2 pencil in a vacuum hose leading to my throttle body from my intake... I cut the hose below the hole and hooked it back up.... still no boost. my car is reading -6 vac when I am on it full throttle.



I also checked my intake manifold and it seems secure. I will take my valve cover off and check from the top as I see traces of oil on my fuel rail and dripping a bit from under my intake manifold.... possibly this oil leak has something to do with it?

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
you are reading -6 inHg at WOT? dude there is something wrong! on an NA car at WOT you should read 0. so thats telling me that your gauge is not calibrated. what does it say when the engine is not running?

2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
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QUOTE (Smaay @ Dec 5, 2012 - 12:50 PM) *
>you are reading -6 inHg at WOT? dude there is something wrong! on an NA car at WOT you should read 0. so thats telling me that your gauge is not calibrated. what does it say when the engine is not running?


man honestly I dont remember what It says when not running. I will def check tomorrow. my gauge is Teed into a line going to my intake manifold, Its a Tru boost EBC but it is not hooked up to control boost yet. I was running off of stock wastegate pressure (which initially read 8psi)

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
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QUOTE (easternpiro1 @ Dec 5, 2012 - 9:42 PM) *
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QUOTE (Smaay @ Dec 5, 2012 - 12:50 PM) *
>you are reading -6 inHg at WOT? dude there is something wrong! on an NA car at WOT you should read 0. so thats telling me that your gauge is not calibrated. what does it say when the engine is not running?


man honestly I dont remember what It says when not running. I will def check tomorrow. my gauge is Teed into a line going to my intake manifold, Its a Tru boost EBC but it is not hooked up to control boost yet. I was running off of stock wastegate pressure (which initially read 8psi)



Matt... I think 80% of this "issue" is your boost gauge.
Smaay is right, if your turbo was somehow bad, missing, etc.. you would at the very least reach 0psi on the gauge.

15PSI - 30MPG - Megasquirt Tuned
Get yourself a nice VDO boostgauge, not expensive but work flawlessly smile.gif
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QUOTE (lagos @ Dec 5, 2012 - 11:40 PM) *
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QUOTE (easternpiro1 @ Dec 5, 2012 - 9:42 PM) *
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QUOTE (Smaay @ Dec 5, 2012 - 12:50 PM) *
>you are reading -6 inHg at WOT? dude there is something wrong! on an NA car at WOT you should read 0. so thats telling me that your gauge is not calibrated. what does it say when the engine is not running?


man honestly I dont remember what It says when not running. I will def check tomorrow. my gauge is Teed into a line going to my intake manifold, Its a Tru boost EBC but it is not hooked up to control boost yet. I was running off of stock wastegate pressure (which initially read 8psi)



Matt... I think 80% of this "issue" is your boost gauge.
Smaay is right, if your turbo was somehow bad, missing, etc.. you would at the very least reach 0psi on the gauge.



I will definitelly be inspecting the gauge this weekend ill look into resetting it and checking the line that leads to it. will let yall know what happens this wkend!


QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
is it electric or mechanical? if its electric, it need to be hooked up to 12V that does not turn off when you turn the key to start.

2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
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QUOTE (Smaay @ Dec 6, 2012 - 4:29 PM) *
>is it electric or mechanical? if its electric, it need to be hooked up to 12V that does not turn off when you turn the key to start.


its electric. you mean dosent turn off when the car is turned on? or when it the key is turned on to the ACC stage?

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
get a good ol'mechanical!
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QUOTE (easternpiro1 @ Dec 7, 2012 - 8:09 PM) *
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QUOTE (Smaay @ Dec 6, 2012 - 4:29 PM) *
>is it electric or mechanical? if its electric, it need to be hooked up to 12V that does not turn off when you turn the key to start.


its electric. you mean dosent turn off when the car is turned on? or when it the key is turned on to the ACC stage?



no when you turn the key to START 90% of your electronics shut off. you need to find a source that does NOT turn OFF when you turn the key to START

2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
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QUOTE (Smaay @ Dec 10, 2012 - 6:19 PM) *
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QUOTE (easternpiro1 @ Dec 7, 2012 - 8:09 PM) *
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QUOTE (Smaay @ Dec 6, 2012 - 4:29 PM) *
>is it electric or mechanical? if its electric, it need to be hooked up to 12V that does not turn off when you turn the key to start.


its electric. you mean dosent turn off when the car is turned on? or when it the key is turned on to the ACC stage?



no when you turn the key to START 90% of your electronics shut off. you need to find a source that does NOT turn OFF when you turn the key to START


ah ok it stays on BUT guess what? Leak found on hot side (right after turbo and a smaller one found on cold side (not too far before the BOV)


Cant believe after testing, re testing taking off, readjusting etc. etc. it was here... where I started my search.... IDK why the previous tests didnt show the leak coming from here but Im hoping this is the cause of my trouble. I re adjusted the piping again, and noticed that my car drove at -2 in vac this time instead of -5 or -6 but eventually it went back to -6. I will be getting as much piping welded as I can when my pal gets another welding machine.

I dont want to get my hopes up though....

This post has been edited by easternpiro1: Dec 11, 2012 - 3:21 AM

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
here's video sorry for the motion.


cold side boost leak


this is the larger leak....

hot side leak

This post has been edited by easternpiro1: Dec 11, 2012 - 4:06 AM

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
Video is set to private?...

but good to hear you got it figured out. I know this has been a long time coming.

Kevin
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QUOTE (Soulend @ Dec 11, 2012 - 5:01 AM) *
>Video is set to private?...

but good to hear you got it figured out. I know this has been a long time coming.

Kevin


fixed

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
glad you figured it out! its always satisfying when you figure stuff out.

2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
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QUOTE (Smaay @ Dec 11, 2012 - 12:08 PM) *
>glad you figured it out! its always satisfying when you figure stuff out.


amen to that! Im really hoping that this is what it has been... thanks for the troubleshooting help everyone! will post an update when I can get the piping welded. were you able to see the vid?

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
Don't forget that it still sounds like your boost gauge is not working correctly.

On a positive note, your motor sounds nice and healthy!

This post has been edited by lagos: Dec 11, 2012 - 3:04 PM

15PSI - 30MPG - Megasquirt Tuned
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QUOTE (lagos @ Dec 11, 2012 - 2:50 PM) *
>Don't forget that it still sounds like your boost gauge is not working correctly.

On a positive note, your motor sounds nice and healthy!



thanks lagos! Other than the line thats Tee'd into my intake/BOV from the EBC being too long, what should I check for? IIRC it stays on when I start the car, and the loose fitment of the plug that goes into the back of the gauge was solved (i believe it was loose...)

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
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QUOTE (easternpiro1 @ Dec 11, 2012 - 8:29 PM) *
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QUOTE (lagos @ Dec 11, 2012 - 2:50 PM) *
>Don't forget that it still sounds like your boost gauge is not working correctly.

On a positive note, your motor sounds nice and healthy!


what should I check for?



You should find a gauge that goes to at least zero psi when you floor it in 3rd gear, and also that it returns back to 0 when you turn off the car.

What boost gauge is it?

15PSI - 30MPG - Megasquirt Tuned
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QUOTE (lagos @ Dec 11, 2012 - 10:50 PM) *
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QUOTE (easternpiro1 @ Dec 11, 2012 - 8:29 PM) *
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QUOTE (lagos @ Dec 11, 2012 - 2:50 PM) *
>Don't forget that it still sounds like your boost gauge is not working correctly.

On a positive note, your motor sounds nice and healthy!


what should I check for?



You should find a gauge that goes to at least zero psi when you floor it in 3rd gear, and also that it returns back to 0 when you turn off the car.

What boost gauge is it?


AEM tru boost EBC

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
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QUOTE (easternpiro1 @ Dec 12, 2012 - 12:20 AM) *
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QUOTE (lagos @ Dec 11, 2012 - 10:50 PM) *
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QUOTE (easternpiro1 @ Dec 11, 2012 - 8:29 PM) *
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QUOTE (lagos @ Dec 11, 2012 - 2:50 PM) *
>Don't forget that it still sounds like your boost gauge is not working correctly.

On a positive note, your motor sounds nice and healthy!


what should I check for?



You should find a gauge that goes to at least zero psi when you floor it in 3rd gear, and also that it returns back to 0 when you turn off the car.

What boost gauge is it?


AEM tru boost EBC



Sounds complicated. You probably have a setting wrong or something. Did you read through the owners manual to make sure its setup correctly?

15PSI - 30MPG - Megasquirt Tuned
yeah, Its not actually hooked up to any boost lines to control anything yet. I have the instructions on video via Youtube, so i will go over it again to be sure, but im pretty sure it was ok as it was accurately reading just wastegate pressure before the leak

QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
>
QUOTE (easternpiro1 @ Dec 12, 2012 - 11:25 AM) *
>yeah, Its not actually hooked up to any boost lines to control anything yet. I have the instructions on video via Youtube, so i will go over it again to be sure, but im pretty sure it was ok as it was accurately reading just wastegate pressure before the leak


http://www.youtube.com/watch?feature=playe...geWatdb4#t=158s

Are you set on PSI, BAR or KPA?

There is also a setting there for internal or external map sensor, depending if you are running 1-29psi or 1-50psi. If this is set wrong, your gauge would read lower than it should.

This post has been edited by lagos: Dec 12, 2012 - 4:51 PM

15PSI - 30MPG - Megasquirt Tuned
>
QUOTE (lagos @ Dec 12, 2012 - 4:47 PM) *
>>
QUOTE (easternpiro1 @ Dec 12, 2012 - 11:25 AM) *
>yeah, Its not actually hooked up to any boost lines to control anything yet. I have the instructions on video via Youtube, so i will go over it again to be sure, but im pretty sure it was ok as it was accurately reading just wastegate pressure before the leak


http://www.youtube.com/watch?feature=playe...geWatdb4#t=158s

Are you set on PSI, BAR or KPA?

There is also a setting there for internal or external map sensor, depending if you are running 1-29psi or 1-50psi. If this is set wrong, your gauge would read lower than it should.


im set to PSI. and im assuming as far as settings for map sensor internal is the way i will be going as i will not be running more than 29PSI

I plan on keeping the PSI level at 15 until I have the water/meth in, then I will adjust further. How did you set yours according to your water/meth setup?


QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)You want power but have no money. That's a problem.Cheap. Reliable. Fast. Pick two.
>
QUOTE (easternpiro1 @ Dec 12, 2012 - 6:56 PM) *
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QUOTE (lagos @ Dec 12, 2012 - 4:47 PM) *
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QUOTE (easternpiro1 @ Dec 12, 2012 - 11:25 AM) *
>yeah, Its not actually hooked up to any boost lines to control anything yet. I have the instructions on video via Youtube, so i will go over it again to be sure, but im pretty sure it was ok as it was accurately reading just wastegate pressure before the leak


http://www.youtube.com/watch?feature=playe...geWatdb4#t=158s

Are you set on PSI, BAR or KPA?

There is also a setting there for internal or external map sensor, depending if you are running 1-29psi or 1-50psi. If this is set wrong, your gauge would read lower than it should.


im set to PSI. and im assuming as far as settings for map sensor internal is the way i will be going as i will not be running more than 29PSI





CHECK to see what its set to right now. If its set incorrectly, it would explain why you are not seeing at least 0psi.

15PSI - 30MPG - Megasquirt Tuned