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Power Strokes
7.3 Tech
stumbling/rough idle
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[QUOTE="washingtoncoastie, post: 1000306, member: 330"] after tightening the IPR lock nut i have not thrown the p1280 code. but the p1000 code is always there. it comes back right after i clear it. honestly im at a loss here. i just replaced the fuel filter and when you key on after draining the bowl it fills up quickly. i do not have a means to check the actual fuel pressure right now. it rough idles right after you start it up. if you apply any throttle it revs like it should and when it settles down to idle again, it idles smooth. but if you are driving and completely let off the throttle it lopes.... would sticky popit valves cause this? i ordered a new IPR through dieselsite.com. so i guess its a waiting game now. unless someone else has any insight into this. gonna try and get a video of it tomorrow. [/QUOTE]
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