nope its a non egr truck i found that out today i think it has something to do with my efi live i think im gonna try putting my old tune back in and see what happens....no cat either.
I have been recently plaing with efi live on my 04 lb7.... I put a pretty hot race tune in the truck and after the reflash my service engine light illuminated. I scanned the truck and it had an EGR solenoid low circuit voltage code (PO489). Could i just all of the sudden have a stickey EGR or...
i ran the same setup on my dmax and had the same problem what you are experiencing is called a flare shift... come to find out there was nothing wrong with the tranny it was just the edge module doing crazy things... i went to an efi tune it my truck never ran or shifted so smooth. does it ever...
i read somwhere there was a certain way you had to mix the transynd with the dextron.... i dont know if you had to get the dextron somhow or how that worked. Thats the only reason i havent done it to mine yet...