P0404 Code... Please Help - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 12-06-2012, 08:14 PM Thread Starter
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P0404 Code... Please Help

Hey everyone.

I have a 06 F350, blue spring upgrade, straight piped exhaust, airaid air filter. No tuner or other mods. Basically stock. I was driving down the road and I noticed the engine light came on today. It did not miss a beat. Runs the same from what I can tell. Only thing I really did notice was no white smoke (its cold here) no smoke at all from what I can see driving at night. I scanned my truck just now and gave me a P0404 code which from some quick forum research points to a egr valve being clogged or needs replacement. I just replaced it about 3 or 4 months ago. Could it really be that? Any thoughts?
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post #2 of 4 Old 12-07-2012, 05:51 AM Thread Starter
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update: I changed my egr vavle. it was not clogged up. I did not drive the truck yet but the engine light is still on. Do I have to drive the truck or does the light need to be reset?
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post #3 of 4 Old 12-07-2012, 11:53 AM

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Reset it. See if it throws it again

coolant-filter-EGR delete-blue spring-ARP's-BPD oil cooler-5in exhaust-horn blasters shocker kit-SCT running SRL++-beans tank sump-BPD water pump-and 4x4 complete
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post #4 of 4 Old 12-07-2012, 02:11 PM
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What are you pulling codes with? That code doesn't normally turn the cel on, I don't think. The cheap *** code readers are not always going to pull all the codes. You may have another code it's not pulling.

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Unfortunately had to Sell my ......2004 KR CC SWB FX4 - Edge insight cts, blue spring upgrade, updated HFCM drain plug, XDP coolant filter, CAT EC-1 rated coolant, Custom Diesel EGR delete, CAT delete, Rotella T6

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