[afmilboy02]

why am i throwing a CEL about my cat? i have the 3" ATP downpipe with the 2.5" straight test pipe and 2.5" miltek exhaust. i am chipped with upsolute and tons of other mods. check my sig for other mods. what can i do with this CEL. i get it reset and it is good for a day or two and then i t comes back on. WTF. please help. thanks,

 

[eurotuner 06]

Re: throwing a CEL (afmilboy02)

relax... if you cant notice any differences with the performance or sound of your car than you somehow need to get it scanned for codes...

 

[#1186]

you have a CEL cuz you dont have a CAT .. lol ... WOW

 

[liltrip1.8T]

Re: (#1186)

I also have the same problem....1.8t 2.5 turbo back exhaust and i have the same problem i ahve had it scaned and they said it was the exhaust as well wont hut the performace but wont go threw emissions how do you fix this?

 

[Boostin20v]

Re: (liltrip1.8T)

search for spark plug non foulers

 

[Aeneis]

Re: (Boostin20v)

Quote, originally posted by Boostin20v »

search for spark plug non foulers

That is what I used, though depending on your sensor position they may not fit on a 3in.
http://forums.vwvortex.com/zerothread?id=2942552
^Look into those as well. The name of the person who sells them is a few posts down.

 

[eurotuner 06]

Re: throwing a CEL (afmilboy02)

i could be wrong, but dont our cars need at least a bit of back pressure if we want to get the most out of out turbos??

 

[n19811978]

Re: throwing a CEL (eurotuner 06)

The turbo is all the back pressure our motor needs. To get the best out any turbo, you want the least amount of exhaust as possible. Figure, the turbo reacts to the pressure difference between the manifold side of the turbine and the out-let side. The greatter the difference, the faster the exhaust will flow past the turbine and the faster the turbo will spool.
-Nick-