So, my 05 SS had a clogged cat, so I pulled it off and welded in a straight pipe. Car runs waay better now, but of course it caused the check engine light to come on.

What can I do to get the code to go away, and not come back, besides buying a high flow cat or aftermarket header/dp to replace the stock with?

 

Get rid of it with HPTuners.

 

Ahh, here I thought you were going to ask about *****....

Is your car still under warranty?

 

That was a bad joke. No double entendre there.

 

If you change your mind about putting a high flow cat on,pm me i have a magnaflow cat i'm selling for $60.

 

if you come back to kc have area47(TSI on kcsr) tune the car and shut the light off

 

put two spark plug antifoulers to space the o2 sensor out. Worked for me. You have to drill one out at the end to make the sensor fit though.

 

Im driving back on December 19th, be around until January 3rd. I plan on getting a tune from him, we'll just have to see if it will work out.

 

The spark plug anti foulers wont work i tried them. I went through the exact thing you did and bought a new high flow cat from vibrant.... but then decided to go catless. so if you want the cat you can have it for $70. i paid $95. my loss your gain. email me if you want it. its stainless by the way.

taylorenglund300@yahoo.com

 

Ive seen the anti foulers work for some people .

 

yea it worked for me for like a day or so then the light came back on. it depends how you drive. if you sit at an idle for to long "a long traffic light" the CEL will come back on.