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New exhaust, thrown code?

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Old 04-21-2008, 03:38 PM
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New exhaust, thrown code?
So I have the hahn 3" dp and cat-back. As I expected I threw a code. Good thing I have my interceptor gauge. Is there anyway to make it stop throwing a code, because I know it will happen again...?
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Old 04-21-2008, 03:41 PM
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what was the code?
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Old 04-21-2008, 03:42 PM
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It's Probably a Catalytic Efficiency Code. And you need HP Tuners to Turn it off.
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Old 04-21-2008, 05:37 PM
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(2) 18mm sparkplug antifoulers.. Worked for me . Costs 5 $
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Old 04-21-2008, 05:38 PM
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P0420, right? HPT FTW
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Old 04-21-2008, 05:47 PM
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I had the P0420 code. HPT took care of that
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Old 04-21-2008, 05:51 PM
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yea i had it with zzp header and d/p p0420..actuLLY threw 3 codes lol
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Old 04-21-2008, 06:33 PM
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would your car still pass a obd emisisons test though? I hear if you just turn off the o2 with HPT tuners it will come up as 'not ready' and fail.
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Old 04-21-2008, 06:35 PM
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Originally Posted by compucarnut
would your car still pass a obd emisisons test though? I hear if you just turn off the o2 with HPT tuners it will come up as 'not ready' and fail.
Good question

I would like to know too
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Old 04-21-2008, 06:41 PM
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i'm not sure what code it was, I forgot lol. But im sure it will pop up again. Aeroforce Interceptor FTW!
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Old 04-21-2008, 07:05 PM
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If you need it ot pass emisions just get the o2 spacer/extender
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Old 04-21-2008, 07:15 PM
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Originally Posted by Stouffer
If you need it ot pass emisions just get the o2 spacer/extender
where do you get those spacers?
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Old 04-21-2008, 08:54 PM
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http://www.boost-controller.com/perf.../O2_Simulator/

That is what you are looking for. It is a tight fit. I had to dremmel a hole in the under carraige to make it fit. Search around for them. They should be at any auto parts store as well.
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Old 04-22-2008, 04:03 PM
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my code is a p0420
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