p0304
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P0304, Misfire
Hey all, Came back from an out of town ski trip this weekend and my 2000 Expedition EB Model (V8-5.4L) was running rough as I came back into town and it turned on the CEL. Felt like a bad cop (last time I had one go bad was about 5 years ago). Scanner showed code P0304 (lucky me, cyl 4...- xJohnnyOx
- Thread
- cop misfire p0304 sparkplug temperature
- Replies: 7
- Forum: 1st Gen Ford Expedition Engine & Performance
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D
Cylinder 4 Misfire
1999 Expedition, 5.4 engine, 170,000 miles. While driving, started running rough. No CEL, but Pending code P0304 (Cylinder 4 misfilre). Replaced #4 COP and plug. Still running rough and after driving a while, the CEL illuminated. Displayed P0304 DTC and P0136 (and O2 sensor circuit Bank 1...- Dadunn536
- Thread
- fuelsys1 ol-drive p0136 p0304
- Replies: 10
- Forum: 1st Gen Ford Expedition Engine & Performance
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