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So my truck is throwing DTCs' (EGR flow insufficient, EGR open) I do have turbo back cat delete and an intake. My questtion is: Will this effect performance at all? Do I need the EGR fingerstick and blocker or can I just run with the codes on?

2005 LLY. Edge Evo CTS
 

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Oh...... Squirrel!
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what is the fingerstick?
 

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Oh...... Squirrel!
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Where do you get the finger stick?
 

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You can get the finger stick from a lot of different places. Kennedy Diesel, All Season Diesel Performance, etc.... Just do a search on google for duramax finger stick or something that goes along with that.
 

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Codes

So my truck is throwing DTCs' (EGR flow insufficient, EGR open) I do have turbo back cat delete and an intake. My questtion is: Will this effect performance at all? Do I need the EGR fingerstick and blocker or can I just run with the codes on?

2005 LLY. Edge Evo CTS
As long as your state doesn't require smog checks on diesels you should be ok. If they do like Calif started doing, it is an automatic failure if they see the error codes...
 
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