code reader states,e g r insificiant air flow.how do i repair? on ford exlorer 2004, 4.0Lt
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Nov 28, 2012 at 7:54 PM
2004 Ford Explorer Code Reader States E G R Insificiant Air Flow Repair On
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On Fords it's common for the EGR passages to become plugged with carbon. Sorry I don't know the procedure to clean them, but I've heard about it a lot at various schools I've attended.
Nov 28, 2012 at 8:48 PM
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