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Discussion Starter · #1 ·
Hello everyone! First time posting! Doesn't done time digging through threads, and haven't found anything useful. I finally went stage 3.

Mbrp turbo back (catless)
Levels fmic
Cpe stage 1 rmm
Cpe intake
Cobb ap3

After several hiccups and broken band clamps, I finally got it all on. Set it to the ots stage 3 tune on The AP. Start it up, and... It's rough...

It goes fine till about 2k rpm, then it shudders, becomes normal again, then loses all power at 3k rpm.

Plus, lots of white smoke from the exhaust.

It threw 2 codes, P0078, and P0238.

I was quite meticulous putting it back together, but that's not to say I didn't miss something. Tearing it apart again now and making sure everything is connected properly. But just wanted some insight, if anyone had had these problems, and what they did. Thanks!
 

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