Cm2250 overfueling intermittently

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(12-07-2018 )Tamip Wrote:  What are the symptoms if you have air in the lines?

Don't worry about air in fuel until you have fuel in oil. Diluted oil doesn't protect bearings.
Air in fuel symptoms are loss power under high demand, surging at idle. 2250 fuel pump has air relief orifice before plunger pump to direct air back to fuel pump drain line.