Failed emmisions test after returning truck to stock - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 07-16-2013, 03:46 AM Thread Starter
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Failed emmisions test after returning truck to stock

Hi Guys,
Inspection time for me so I put the DPF back on and returned everything to stock. Went for a short ride to get P0404 EGR Valve code. I understand from previous posts how hard that thing is to get out. Has anyone tried squirting PB Blaster or other penetrant to the top (spring area) to get the valve unstuck, without having to remove it from the elbow? There was a lot of soot inside the plastic cover.
Thanks

Jeff
08 F250 SD CCLB
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post #2 of 2 Old 07-20-2013, 09:35 PM
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Your truck is an OBD2...where are you that you have to do emissions tests?

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