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Discussion Starter · #1 ·
Hey people im new to all of this i need help fixing my 2011
cruze i removed a cat right after the turbo and i got a check engine
light and dont know how to fix it any insight would be much
appreciated thanx
 

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5,157 Posts
Did you gut the cat right after the turbo? Or did you replace it with a downpipe?
 

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Its going to be a catalyst code p0420 I had it when I replaced my downpipe. What you have to do is tune your car then disable the p0420 code and then re tune it so the code will stay away. Trifecta Tune has a good tune available and there's a sale going on $375 fir everything you need besides the laptop.

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I bought an "Ultra-gauge" it mounts on the windshield and lets you turn the CEL off.. Also it can show you 7 pages of info with 6 different things on each page (ie boost pressure, engine temp, intake temp, rpm, engine load, and many more)!! It cost me 78 bucks shipped to my door.. Electronics Technology Automotive exterior Auto part Electronic device
 
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