ok i have a stock cr built ls with a t3/t4 on blue top 450dsms..... its weird i drive for a while without getting on it and it starts loading up hard... i had the injectors rebuilt and flowtested so i dont understand what the problem is.... any ideas? could my o2 sensor be going out? its brand new with like 2xxx on it. help me out please!!!!! my tune is sort of rich so i guess that might make sense... any imput would help thanks guys

 

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I have no clue what you are talking about. Try re-wording your first post.

What's "loading up"?