Q: I'm having a very rough idle and the cheek engine light came on in my 98 expedition 5.4L engine. Your guess at the cause?

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I'm in a 1998 5.4L engine ford expedition. Truck starts but odors rough with check engine light on and off, and also feels as if it's going to shut off during driving.

My car has 240 miles.
My car has a manual transmission.

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