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P0402 code

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Old Nov 20, 2008 | 08:10 PM
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alberta46
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Mountain Pass
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From: High River
P0402 code
my 97 f150 recently threw a code P0402 I was wondering if I am on the right track. Was going to replace the EGR valve and/or the dpfe sensor> what I was wondering if I should replace one first if so which one or replace both. Any help is appreciated.
 
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Old Nov 24, 2008 | 09:44 AM
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alberta46
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Mountain Pass
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From: High River
Hmm 21 views no reply. Oh well I decided to take truck in to the shop , Let them deal with it going to get new plugs etc anyways.
 
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Old Mar 30, 2009 | 01:48 AM
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UnlimitedOffRoad
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what was the problem? i have the same code and over $1000 nothing helps
 
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Old Mar 30, 2009 | 04:57 PM
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commandersander
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From: Under My Truck
P0402 Exhaust Gas Recirculation Flow Excessive Detected
 
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