Join Date: May 2009
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I have a 99 with 170k on the motor. Only mods a I have is dp tuner, cold air, and straight piped. When driving and running about 1200 to 1800 rpm it sputters reallly bad. I have to basically floor it to get it running right again. When accelerating or high rpm's it runs great. I replaced filters and fuel pump. Any help would be great!
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99 F-250, DP tuner F5, Cold Air, Stage 2 single shot 160cc injectors, FASS fuel system, straight pipe, and a few more little things