x1957x Posted September 18, 2012 Share Posted September 18, 2012 I have a 4.6 f-150 4x4 that misses when you gradually go to speed up going up a hill or even on level ground. Thought maybe converter but has power when stoped on. I have replaced the fuel filter, coil packs, egr valve, and the egr valve senser. Any idea's are greatly accepted!Oxygen sensor? What are left that can cause this. Just at a standstill right now! Quote Link to comment Share on other sites More sharing options...
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