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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

help with code!

Old 04-30-2010, 05:11 PM
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Default help with code!

hey I got a 03 with the 4.6 in it. Since I got the truck in october I've been fighting with this code. P0402 is what comes up on my code reader, since the code came up i've replaced the egr solinoid and the dpfe sensor. both helped for a little bit but now back to the same old crap. Can anyone pleasegive me some advice on what to check next?
Old 04-30-2010, 06:25 PM
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Clean your EGR valve inside, its sticking open at idle.


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