On my 2012 f250 I George getting the CEL and the code P0401 low flow to the egr. With a little research I had an idea it was probably the egr plugged up so when it would come on I took it down the highway WOT and next time I start the truck up the CEL will be off. I finally got it in the shop and sure enough it was a plugged up egr, the truck has almost 60k miles on it. Why so soon??? Grant I do do the things that are known to plug them faster like leave it idle sometimes and don't pull anything heavy or take many road trips but I figured it would at least make it over 100k
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