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frist off great group,now to my question. Ive got a 99.5 250 4x4 auto, I put the superchip on it with a k&n filter and have 4" turbo back exhaust ordered but like it is now the truck just doesnt seem to run like it should with the programmer on it.ive changed the fuel filter and checked the presure and its running around62 pds. anyother ideas?
Has it run better with the Superchip prior to this, or is it just not as strong as you expected...there may not be anything wrong with it. What tune are you running?
