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EGR CODE P0401

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Old 02-22-2011, 02:26 AM
Outlaw_4X4 Outlaw_4X4 is offline
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EGR CODE P0401

I was goin down the freeway and got my check engine light. When I got home and plugged into the computer and got code p0401 EGR insufficient flow... The truck runs fine, but I want to fix it... Ive been told to clean the build up out but dont know where to start, any ideas? And is this pretty common with 2003 F250 6.0?
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Old 02-22-2011, 08:58 AM
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pull the valve and clean. It is probably all sooted up and will not move freely.
Link is a great article to get you started:

Diesel Technician Society
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Old 02-22-2011, 12:52 PM
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Thanks, gonna try it today and see what happens, hopefully its all I need to do
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