Questions & Answers for: Ford Expedition p0303 code

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Question about 1998 Expedition

2 Answers

...code p0303 and it says "Cylinder 3 Misfire Detected" how do i fix this? I had the same problem but on cylinder 8. The solution was that you need to replace the coil pack on that cylinder and then it ...

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...rate this answer thanks pete check for vacum leaks on upper intake (PVC,vacume hoses,ect.) the p0303 missfire cyl. 3 and the po308 is missfire cly. 8. possible intake runner gaskets on#3AND #8? ...

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Question about 2000 Expedition

1 Answer

...code p0303 misfire cyl 3 , ford says bad injector. I bought a new one switched it. Still p0303 ,took it back to Ford they still said bad injector. I swaped from cyl 1 to cyl 3 . Still p0303 ,it has a ...

P0303 code isn't reset, it'll remain stored,and the CEL (Check Engine Light) will remain lit.If I were standing in front of the vehicle right now, the 1st thing I'd do is put my "mechanic&

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