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Old 10-18-2003, 12:14 PM
P.E.Haiges P.E.Haiges is offline
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Join Date: Jan 2000
Location: PA
Posts: 5,440

How will replacing the fuel filters more often prevent more dirt from getting into the FO system?

As a filter gets dirty, it keeps smaller and smaller particles from passing thru it until the passages are smaller than the fuel molecules and then it will no longer permit the fuel molecules to pass thru it at which time it must be replaced.

So actually a dirty filter filters better than a new one up to the point where no fuel flows thru it.

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