02 emulator - Subaru WRX Forum
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post #1 of 4 Old 07-01-2008, 07:47 PM Thread Starter
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02 emulator

hey i have an 04 wrx with 3inch turboback exhaust and a cobb short ram intake i was jw if anybody knew where i could buy an o2 emulator since my dp is catless and it throws my engine code otherwise
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post #2 of 4 Old 07-04-2008, 01:53 PM
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There are a couple of ways you can go about that.

1. use a spark plug antifouler to pull the o2 sensor out of the main flow of the exhaust. somtimes this works
2. Get a good EM program. probably from Cobb.

honestly i would go with the second option cause you get more gain from remapping the ecu.
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post #3 of 4 Old 07-04-2008, 06:17 PM
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Pony Express makes one for our model year. You have to splice and solder though. Avoid the one made by Perrin.

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post #4 of 4 Old 07-06-2008, 01:51 PM
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I bought a spacer off ebay about a year ago and I have never had a CEL and I passed emissions without any cats. It is the same thing as a sparkplug antifouler basically. You just screw it into the pipe and screw your O2 sensor into it. That would be the easiest thing to do and you won't have to cut and splice wires. Engine management would be the best thing, but if you want a cheap quick fix, this should work.
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