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Old 05-25-2010, 12:04 AM   #1
allensaldi
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Member#: 209779
Join Date: Apr 2009
Chapter/Region: Tri-State
Location: Scranton, PA
Vehicle:
2009 WRX
Blue Mica

Default O2 Simulators. Do they really work?

Hey all,

I have a 2009 WRX running stage 2+ protuned by EFI Logics. The car is tuned for a catted downpipe, but I hooked up my two step launch control and now had to go catless. Check engine lights are super annoying! Just curious to see if anyone has an 08+ running a catless downpipe with an O2 simulator.

This is just for the time being until I can take it to get retuned again for for FMIC, Injectors and fuel pump when I put them on. And then I am pretty sure they can delete that code with my Accessport.

Thanks,
Allen
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Old 05-25-2010, 01:40 AM   #2
teiva-boy
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Member#: 22825
Join Date: Aug 2002
Chapter/Region: NWIC
Location: Seattle, WA
Default

Yes they work. But it's just as easy to turn them off via a tune too. But if I had a choice between an O2 sim or one of those O2 extensions, that move the O2 sensor outwards out of the direct exhaust path, I'd pick the later.

There is a DIY, where you take some autostore part to make your own. I bought one from a vendor.
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Old 05-25-2010, 12:23 PM   #3
ki4syr
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Member#: 247574
Join Date: May 2010
Location: Overthere
Vehicle:
2013 PBP GV STI
2008 Impreza 2.5i

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It takes some soldering skills and some patience, but its very easy to build your own with simple components from radio shack or even an old radio of some sort. I built a couple for my '95 Legacy and my '98 Metro. Neither one threw a code even to this day.
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Old 06-25-2010, 05:23 PM   #4
mob1785
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Join Date: Jun 2010
Chapter/Region: South East
Location: Murfreesboro, TN
Vehicle:
2003 WRX
Yellow

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Hello. I just bought my first WXR. I love it, but I have a catalyst system low efficiency code coming up. I was wondering if anyone know where i can find a O2 simulator. I would like to take off the Cat and still not have a check engine code.
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Old 06-25-2010, 11:40 PM   #5
NSFW
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Join Date: Feb 2007
Chapter/Region: NWIC
Location: Near Seattle, WA
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05 Stage Free LGT
ATP 3076, 6MT, AVO FMIC

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For a car that can have the CEL disabled via reflash, that's a better way to do it.
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Old 06-26-2010, 09:27 AM   #6
mob1785
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Yellow

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Quote:
Originally Posted by NSFW View Post
For a car that can have the CEL disabled via reflash, that's a better way to do it.
What do u mean reflash I'm really new to the topic of tuning cars
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Old 06-26-2010, 03:03 PM   #7
NSFW
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Location: Near Seattle, WA
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05 Stage Free LGT
ATP 3076, 6MT, AVO FMIC

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Quote:
Originally Posted by mob1785 View Post
What do u mean reflash I'm really new to the topic of tuning cars
http://www.romraider.com/forum/viewt...hp?f=33&t=5320
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