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Old 10-23-2009, 08:55 AM   #1
KW900
Scooby Specialist
 
Member#: 220013
Join Date: Aug 2009
Location: Palmer, AK
Vehicle:
2003 WRX

Default Help with my car

I pulled my car in the garage the other day to start working on it. Seth had run some tunes on it and it's not running like it should. I don't remember exactly what it was doing, maybe he could chime in.

I was wondering if someone that is familiar with these cars wanted to swing by to take a look at what I have going on and give me some advise on what I need to do. The motor is new, 2.0/2.5L hybrid.

I'm running into things that are WTFs (done by previous owner) and since I don't have much experience on these cars I really don't know where to do with it.
The WRX is supposed to be my daily driver, and I'm started to get tired of driving my 15mpg diesel truck 80 miles a day to work and back.
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Last edited by KW900; 10-23-2009 at 12:39 PM.
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Old 10-23-2009, 09:11 AM   #2
SLDWYS
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Member#: 58877
Join Date: Apr 2004
Chapter/Region: AKIC
Location: RAGE, AK
Vehicle:
BMW e30 XI
From JDM to DTM

Default

Just as a pointer to all of us or people who come across this thread, maybe you should throw down the actual issues that are happening with your ride.
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Old 10-23-2009, 12:46 PM   #3
KW900
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Member#: 220013
Join Date: Aug 2009
Location: Palmer, AK
Vehicle:
2003 WRX

Default

The car runs and drives fine as far as I can tell, but the logs looked ugly. I think it was cutting timing way back.

I know he thought it was the fuel pump but it was swapped with a high flow unit and the problem still exists. Thinking perhaps a bad fuel injector or maybe a boost leak. I have some injectors to put in along with the normal tune up items.

There is some stuff done like a hacked together blow off valve setup and ccv that I have no idea how it's supposed to be stock and would like to get that sorted out. Also I don't think the suspension is setup correctly either. (not the right coils maybe?)
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Old 10-23-2009, 01:05 PM   #4
MGAMAN
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Member#: 24671
Join Date: Sep 2002
Chapter/Region: AKIC
Location: Anchorage, AK
Vehicle:
2003 Audi A4
2006 R1 - 06/08 hybrid

Default

Post your logs please, there's several of us who'd be happy to look at them I imagine.
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Old 10-23-2009, 01:59 PM   #5
TurboSetch
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Member#: 192358
Join Date: Oct 2008
Chapter/Region: AKIC
Location: Palmer,AK
Vehicle:
MANY P3 Import Auto
907 355 6655

Default

Ahh this car...

This was the car that the previous owner asked me to tune however it never got past the break in tune due to what we thought was a bad fuel pump. The problem is the car pulls timing using the IAM/DAM which is the rough correction.

The original owner never brought the car back to me so I did not finish it. I remember you coming over once but the original problem still exist. Its something mechanical, the timing is stock WRX timing, nothing aggresive. The fueling looks good now on the wideband but this doesn't rule out an indivudual cyl issue or some other mechanical problem. Even intake leaks can make this happen.

The first step is to make the car not pull timing at around 15psi. When you can make that happen then your getting somewhere.

What boost levels are you running now?

I would be open to another evaluation of the car but honestly with a basically stock tune anything anyone does to the tune to fix it would be covering the actual problem up. There is another member Dome24 who has almost the exact same issue and we have yet to find the problem. He is also going to try swapping injectors.
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Old 10-23-2009, 03:19 PM   #6
KW900
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Member#: 220013
Join Date: Aug 2009
Location: Palmer, AK
Vehicle:
2003 WRX

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I have no idea what it was running for boost. Whatever it was running when you drove it is what it'd be now since I haven't driven it since then.

MGAMAN I have no idea how to do that. I got a Tactrx cable not too long ago so I might be able to figure it out, but the car isn't registered so I don't think I can get a log with it sitting in the garage?
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Old 10-23-2009, 03:33 PM   #7
Imprezed04
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Member#: 202396
Join Date: Feb 2009
Chapter/Region: TXIC
Location: Killeen, Texas
Vehicle:
2004 STi
WRB

Default

the logs would be run from a computer and program (or AP type equipment) that you'd hook up.. All it does is record the cars various timing, fuel, etc as you drive it and make random pulls to see whats going on with the computer (ECU). Seth will know what logs are if you can get it back to him and have him look it over. The log will also register what faults (check engine light code's, cel codes, etc..) so that it gives a tuner a base to start at as far as ecu programming.
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Old 10-23-2009, 04:01 PM   #8
KW900
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Member#: 220013
Join Date: Aug 2009
Location: Palmer, AK
Vehicle:
2003 WRX

Default

Right I know what logs are, just haven't had a chance to mess with Rom Raider to figure out how to use that program yet.

I am trying to figure out a few things that are WTFs and that is what I need the help with... funky setup going on with the blow off valve, crank case vent... suspension, etc. I'll figure it out on my own eventually I guess though.
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