i hav an lbz duramax. im running an edge evo programmer, an aftermarket drop in air filter, and an mbrp turbo back exhaust. i turn my programmer all the way up and i punch it, the truck will throw u back in the seat for a while, but then lets up and feels as if its bogging down. i thought it was the air filter so i changed that and it didnt help. maybe not enough fuel? any ideas?

 

Edge has safeties built in to keep you from hurting the truck, it will back down if EGT, boost, engine temp, trans slip exceed the set parameters, Im not entirely sure if the evo is the same as the juice, but I assume it is, if thats the case you should look in your edge manual to see if you can change those parameters, I know I could with my juice/attitude

 

at what speed does it do that?

 

sounds like defueling to me.. the EVO will defuel on high EGT's

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also.. check the speed limiter setting in the custom option menu. after mine was all updated i found it set at 90mph

 

fuel filter clogged?

 

id check fuel filter, have you turned your edge off and checked if the problem still occurs?

 

transmission limp?