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-   -   '06 Catalytic Converters (http://www.wrxtuners.com/forums/f75/06-catalytic-converters-29226/)

mfarnham 08-02-2010 09:23 AM

'06 Catalytic Converters
 
I have a 2006 WRX with a catted COBB DP. Does this mean I only have one cat, because the 06 UP is cattless and the COBB DP replaces the cats in the stock DP and MP?? And if I need to replace the cat on the DP, do I need to buy a completely new DP from COBB? Thanks.

mosc 08-02-2010 09:43 AM

yes, and mostly yes. You could theoretically cut apart the downpipe and weld on another car but it's not worth the effort IMHO.

mfarnham 08-02-2010 10:01 AM

Damn that's horrible news because I probably need a new cat.

newtothegame 08-02-2010 11:24 AM

What makes you think you need a new cat?

mfarnham 08-02-2010 12:18 PM

I've been getting the CEL P0420. Went to the dealership and they seem pretty positive that it's a bad cat. I'm going to have them check the O2 sensors just to be sure, but it's looking like I need to replace the cat on my DP.

mosc 08-02-2010 01:08 PM

That's not unusual with an aftermarket cat. The sensor is completely removable. If that's the only issue, ditch the sensor. If you flashed to stage 2, it would get rid of it for you. In fact, to run that downpipe, you SHOULD have flashed already. What EM do you have? If the answer is "none", that's your problem not your downpipe.

mfarnham 08-02-2010 09:13 PM

[quote=mosc;248522]That's not unusual with an aftermarket cat. The sensor is completely removable. If that's the only issue, ditch the sensor. If you flashed to stage 2, it would get rid of it for you. In fact, to run that downpipe, you SHOULD have flashed already. What EM do you have? If the answer is "none", that's your problem not your downpipe.[/quote]

So I can just get rid of my O2 sensors all together? Would that cause any problems? And how would that be done? I don't know what EM I have. I bought the car the way it is now. But it definitely has a tune cause it runs great.

mosc 08-03-2010 01:36 AM

You probably don't have EM and it probably doesn't run as well as you think it does. Get your car tuned and you won't have these problems.

mfarnham 08-03-2010 08:46 AM

How will a tune fix this O2 sensor CEL?

mosc 08-03-2010 08:51 AM

It will disable the code from showing up.

BTW, whoever you took your car to? Don't take it there. They're idiots.

mfarnham 08-03-2010 12:26 PM

So even if I do need a new cat I should just get the code disabled and not worry about it?

mosc 08-03-2010 12:33 PM

I'd say the odds of you actually needing a new CAT are slim. No, the code is not providing any useful information given your setup. The sensor exists purely to verify your emissions system is working correctly as an easy check for inspection shops. They plug in, your sensors say everything's fine, they give you a sticker.

justrich120 08-14-2010 11:53 AM

hey mfarn

Let me know where you go and how much it was. I'm from mass as well and need decent people to work on my car. Thanks man

mfarnham 08-14-2010 03:19 PM

I ended up getting a tune and that took care of the problem. Didn't need a new cat.


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