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Old 03-11-2013, 02:59 PM   #1
kingflar
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Member#: 284698
Join Date: Jun 2011
Location: Utah
Vehicle:
2003 WRX
Black

Default P1091 and overheating

I recently did a turbo swap on an 03 bugeye wrx installing the stock td04 turbo. I have intake, Perrin inlet, catless 3" downpipe and exhaust.

The car ran great til the seals in the original turbo went so I went with another stock td04. The car sat for about 3 months in a heated garage over winter while I got my finances and turbo in order. Now after the swap it over heats and check engine light comes on. I ran the code and came up with p1091. I know the code is the tgv stuck closed. But which one is it and where is it located on the intake manifold, and how to fix it?

As far as over heating I checked all the lines and there is no leaking that I can see or on the ground while idling. Would the code attribute to this?

Thanks for the help.
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Old 03-11-2013, 03:12 PM   #2
booSTin-scoobs
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Join Date: Dec 2012
Chapter/Region: MAIC
Location: pittsburgh
Vehicle:
2004 wrx - 18g
305whp - 282wtq

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Did you refill the coolant and bleed the radiator after swapping turbos? As far as a tgv sticking you gotta pull the manifold off and find out which one it is. There's a few different economic ways of going about that situation depending on how mechanically capable and confident you are...
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Old 03-11-2013, 04:19 PM   #3
kingflar
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There is no other way to fix it than to take the manifold off? After some more research it is system 1. I have located each one but need to know which one it is. I have unplugged each one and cleaned the connection to no avail.

Oberheating = fixed.


Ps. Will it damage the motor if I drive it with this code? I am moving this weekend and don't want to pay to have it shipped.

Last edited by kingflar; 03-11-2013 at 04:50 PM.
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Old 03-11-2013, 05:33 PM   #4
jaxscuby
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Join Date: Sep 2001
Chapter/Region: South East
Location: S Ga / Hell Rock
Vehicle:
2002 USDM WRX
WRB

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yes there is a way to check tgv's.
remove the motors and see if you can rotate the shaft.
driver side..
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Old 03-11-2013, 05:47 PM   #5
kingflar
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2003 WRX
Black

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Is this front or rear facing the motor on the drivers side?
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