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Message: [QUOTE="sleeps, post: 921028, member: 6030"] not sure if one has to do with the other so i figured id ask. got a set of 205/100s put in, drove it for 2 weeks with the stock turbo, no issues at all. last night got the divided up pipes and s366 put on (still dont have a tune written for this setup maybe thats part of the problem?) went to test drive the truck after first startup and at first acceleration it kind of made a little pop, not loud but i noticed it. it dit have a leak in the v-band on the up pipe though so that could have been that noise. test drove it, did some half throttle runs hit ~25psi and backpressure in the 30-40psi range. was too hot to fix the leak in the up pipe and it was almost midnight so i was going to fix it after work today. cylinder 8 has a contribution/balance code and it feels like it has a miss or a stumble. i changed tuning and havent got on it real hard but it definitely feels like its lacking power or i just REALLY need a custom tune for it. put it all back to stock tuning, ecm and ficm to stock. didnt change anything, now its just super slow and still has the miss in it. so i figured id unplug the icp sensor and see if anything changed. drove it home from work, ran like complete crap, black smoke puffing from tailpipe intermittently, stubles harder, idles lower and icp at idle went up to 870psi, with it plugged in it was at 580psi. anyone have any ideas? with only the injector cont. i was chalking it up to air in the hpo side or since cont/ code came on after the turbo install maybe a chaffed wire, something along those lines. maybe fuel pump going out? but after the rough idle/miss im trying my best to rule out everything verse buying a new injector. [/QUOTE]