Hi guys I'm having problems with my 6.0 . its a 2006 f350 with bullydog power pup ram air and 4"ex. it started with a sputter. now just runs like crap .It has a p2290 code I replaced the icp and pig tail my ipr seems to be at 30%at idle and goes down when excel. is this right??

---AutoMerged DoublePost---

sorry the ipr % gopes up from there to about 55 to 60 %