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roruss08gti
Rick
Age: 34
Joined: 13 Jul 2006
Posts: 2484
Location: Alpharetta, GA
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 Posted: Fri Dec 05, 2008 10:50 am Post subject: Loss of PSI |
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Ok, so for anyone that has any knowledge of Forced Induction, I have a question for you. As most of you know, I have an 08 VW GTi which is Turbocharged from the factory. I have been constantly producing about 15 lbs of boost, or at least that is what the Boosts gauge says, between first and second gear. Last night, I installed a Neuspeed CAI. But now, my boost gauge says I have dropped about 5 PSI. Anyone know what this could be caused by?
Any explanations would be greatly appreciated.
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SEAN
Age: 39
Joined: 21 Jun 2004
Posts: 3187
Location: Ft Myers, FL
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| Posted: Fri Dec 05, 2008 11:50 am Post subject: |
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did you reset the computer...mine knows when parts have been changed out and is always slowly pulling boost over time...I have to reset it every few weeks...I just have CAI, a stiffer spring in my wastegate actuator, and a bigger throttle body...
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roruss08gti
Rick
Age: 34
Joined: 13 Jul 2006
Posts: 2484
Location: Alpharetta, GA
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| Posted: Sat Dec 06, 2008 10:19 am Post subject: |
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I did reset it after thinking about it overnight.
I got back up to about 12 psi but still not where it was before.
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"Money frees you from doing things you dislike. Since I dislike doing nearly everything, money is handy"
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05Tib
BigJerm
Age: 24
Joined: 13 May 2005
Posts: 3717
Location: Marietta, Ga
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| Posted: Mon Dec 08, 2008 9:08 am Post subject: |
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| Any loose hoses from install? |
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roruss08gti
Rick
Age: 34
Joined: 13 Jul 2006
Posts: 2484
Location: Alpharetta, GA
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| Posted: Mon Dec 08, 2008 9:27 am Post subject: |
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Nope, I checked and re-checked all of the clamps and hoses.
Although, lately I have heard a bussing noise coming from the Boost gauge. I think that is why I got the No buzz T fitting for the install but didn't see a need to install it. I am going to re-install the gauge to see if there is a problem.
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"Money frees you from doing things you dislike. Since I dislike doing nearly everything, money is handy"
It's a shame I don't have much of it!!!!
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DemonEyez
Age: 26
Joined: 21 Jun 2004
Posts: 1539
Location: Alpharetta
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| Posted: Tue Dec 09, 2008 1:04 pm Post subject: |
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| is there a valve/hose that runs from anywhere near your TC to your original/cai? |
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roruss08gti
Rick
Age: 34
Joined: 13 Jul 2006
Posts: 2484
Location: Alpharetta, GA
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| Posted: Wed Dec 10, 2008 11:04 am Post subject: |
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| DemonEyez wrote: | | is there a valve/hose that runs from anywhere near your TC to your original/cai? |
Huh? 
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"Money frees you from doing things you dislike. Since I dislike doing nearly everything, money is handy"
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05Tib
BigJerm
Age: 24
Joined: 13 May 2005
Posts: 3717
Location: Marietta, Ga
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| Posted: Wed Dec 10, 2008 1:07 pm Post subject: |
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| I think is talking about a hose like what the Tib had that ran from the engine to the intake tube. |
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TibDesolator
d[-_-]b
Age: 22
Joined: 06 Dec 2007
Posts: 799
Location: Lawrenceville, GA
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| Posted: Wed Dec 10, 2008 9:08 pm Post subject: |
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I'm sure he wouldn't neglect a giant hole in the CAI w/o proper connection lol
Its possible that the turbo doesn't need as much air pressure now that its taking in colder air that's denser since even in colder temperature psi on turbo's drops a bit.
Is the car running weaker due to this?
I say don't worry abt it too much, and it should probably change back during the summer.
I mean how many other technicalities is there to it other than just hooking the CAI on and resetting ure comp, unless maybe if u did a dyno it might be able to fix that.
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Yellowwasabi
Why, herro!
Age: 24
Joined: 01 Jul 2005
Posts: 1834
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| Posted: Wed Dec 17, 2008 12:10 pm Post subject: |
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^ what he said
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That07SEGuy
that new guy
Age: 22
Joined: 20 Apr 2008
Posts: 783
Location: Columbus, GA
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| Posted: Wed Dec 17, 2008 11:36 pm Post subject: |
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i would have no idea.
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Minnoe07
Totally Screwed!
Age: 27
Joined: 04 Feb 2005
Posts: 3019
Location: Lawrenceville, GA
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| Posted: Fri Dec 19, 2008 6:16 pm Post subject: |
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No idea here. I didn't do my gauge install.
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