Threw a P0401
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Old June 28th, 2006, 08:43 PM   #1
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Threw a P0401


Threw that "EGR Flow Insufficient" after replaceing EGR valve... what could be next
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Old June 28th, 2006, 10:18 PM   #2
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It is the DPFE............. The Differential Pressure Feedback Sensor
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Old June 28th, 2006, 11:36 PM   #3
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as i did some reading about the DPFE sensor... the description of the problems sounds exactly the same. Where is it located and can it be cleaned... ill try to clean it but if it doesn't work ill just buy a new one im hoping this will be the end of this SHIZIT
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Old June 29th, 2006, 05:54 AM   #4
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did you fix your exhaust leak?
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Old June 29th, 2006, 12:08 PM   #5
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just repl it. they can't be cleaned and it will take care of your problem. I can't remember the last time I replaced an egr valve. they don't go bad anymore......
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Old June 29th, 2006, 03:32 PM   #6
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no i didn't fix the exhaust leak yet


o well i have a new one in so i don't have to worry about that anymore ill run to the store today and get one

thanks for the help guys i hope this works
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Old June 29th, 2006, 04:03 PM   #7
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Originally Posted by 00SoSlow
no i didn't fix the exhaust leak yet
was just gonna say i see how an exhaust leak could cause low egr flow
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Old June 30th, 2006, 12:10 AM   #8
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Make sure you clean the crud out of the rubber hoses running to the DPFE sensor too.
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