how to get egr codes deleted
#2
TECH Apprentice
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From what I know, you need to have it tuned out, which you can have done by a sponsor here like frost or you can have your car dyno tuned by a local, and I don't see why you wouldn't be able to have them put the codes back in if you for some reason want them back, but will probably have to pay to have it done again.
#7
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You don't gain hp from deleting emissions. You'll need someone with a tuning program to delete to the codes. Check the regional sections for tuners near you.