Ford Truck Enthusiasts Forums - View Single Post - EGR insufficient flow code showing
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Old 07-07-2014, 01:33 PM
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guitar_199 guitar_199 is offline
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Join Date: Dec 2002
Location: Deer Park USA
Posts: 69
guitar_199 is starting off with a positive reputation.
I know I am waking up a really old one here.....

But can someone tell me how a fuel filter can cause a P0401?
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