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Fuel System Going Lean During Acceleration
Posted to Technical Discussion Forum on 2/1/2012 10 Replies

The above vehicle has a lean running problem that I am unable to solve. It came in for a flashing check engine light and a miss fire code: P0307. I also found miss fire codes for a couple other cylinders as well as a P0300. During the test drive I found nothin... Login to read more.

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car Vehicle Data

2005 Ford Expedition XLT 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2005 Ford Expedition XLT 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)