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10-03-2012, 12:00 AM | #1 |
Scooby Newbie
Member#: 316561
Join Date: Apr 2012
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Turbo loss HELP
I just took my car in for a compression test they said everything tested find but when I left I felt that there was hardly any power. Check the boost gage on my Cobb and I couldn't get more then 7.5 psi. I checked all the hoses and they weren't unhooked or anything. Before they checke it it was running great. Please help its an 03 wrx 1.0 with a newly built motor
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10-03-2012, 12:01 AM | #2 |
Scooby Newbie
Member#: 316561
Join Date: Apr 2012
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2.0l the motor has about 900 on it. But was running great
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10-03-2012, 08:03 AM | #3 |
Scooby Specialist
Member#: 171127
Join Date: Feb 2008
Chapter/Region:
MAIC
Vehicle:2005 Subaru PSM |
take it back to whoever touched it last and have them show you what they touched. Really, a compression test is something you can/should be able to do on your own
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10-03-2012, 08:19 PM | #4 |
Scooby Newbie
Member#: 316561
Join Date: Apr 2012
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I do know how to do it. It's just wanted to have another set of eyes on it. And have them go over everything to make sure it's good
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10-03-2012, 08:24 PM | #5 |
Scooby Newbie
Member#: 283968
Join Date: May 2011
Chapter/Region:
MWSOC
Location: Fort Wayne, IN
Vehicle:2003 WRX MBP |
sounds like a boost control issue, 7.5 ish is around wastegate pressure (or at least it is on my vf-39)
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10-03-2012, 11:24 PM | #6 |
Scooby Newbie
Member#: 316561
Join Date: Apr 2012
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Was looking at the Cobb bcs looks like that might be my fix. Any objections ?
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10-07-2012, 02:26 PM | #7 |
Scooby Newbie
Member#: 261114
Join Date: Oct 2010
Location: south florida
Vehicle:2003 wrx wagon silver |
Your pipe from the turbo to the intercooler probably is cracked near your hose clamp. After I went with an access port my car suddenly wouldn't hold boost. Turned out the plastic eom piece was cracked under the hose clamp.
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10-07-2012, 03:40 PM | #8 |
Scooby Guru
Member#: 6886
Join Date: May 2001
Chapter/Region:
Tri-State
Vehicle:MY01 EJ207 HTA35r AVCS ON! |
check the plugs, possibly they were lazy and didn't torque and replace them properly and now are backing out
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10-07-2012, 06:13 PM | #9 |
Scooby Newbie
Member#: 162447
Join Date: Oct 2007
Chapter/Region:
Tri-State
Location: Northern NJ
Vehicle:03 Wrx Sonic yellow |
You should just go back to the place that touched your car like everyone stated and say hey my car didnt have this problem before you touched it why waste money for something they may have done.
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10-08-2012, 01:30 AM | #10 |
Scooby Newbie
Member#: 323978
Join Date: Jun 2012
Chapter/Region:
MWSOC
Location: North Dakota
Vehicle:2004 WRX STi Aspen white |
skip to 1:00, This is what you convey to the people that touched it.
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10-08-2012, 10:18 AM | #11 |
Former Vendor
Member#: 301037
Join Date: Nov 2011
Chapter/Region:
MWSOC
Location: Minneapolis, MN
Vehicle:2004 Forester XT Aspen White |
Sounds like it could be a intercooler issue. Like stated above I would take it back to where you had the test done and have them look at it again. If you have lost trust in them check the following,
Y-pipe on the bottom of your IC check the Y-pipe to turbo connection check the IC to TB connection make sure the intake is in correctly and all connections are tight check all the spark plugs for correct TQ |
10-08-2012, 11:19 AM | #12 |
Scooby Newbie
Member#: 306186
Join Date: Jan 2012
Chapter/Region:
SCIC
Location: Ashland
Vehicle:2002 Subaru WRX PSM |
^^^ is good advice. Take it back to the shop. If not, check what chris said. Also check to make sure the hoses running from your BCS are in place (not disconnected). I'm not sure what bcs you have, here is the OEM http://www.google.com/imgres?q=subar...r:17,s:0,i:123 do a google search for what you have.
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