Question about 2005 Ford F 350 Super Duty

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05 ford f350 diesel run rough sometimes and sluggish will blue smoke when this happens. What would cause this? I took to ford several times and they told me, no problems.

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I would check egr valve first for coking/carbon build-up or blockage it is located right @ front of engine two bolts holding down remove bolts twist a little to get o-ring loose then pull up out of intake manifold you will see the carbon build -up present also look thru hole that it came out of if it is wet you could have a rupatured egr cooler hence the smoke there may me trouble codes present keeping in mind that ford didn,t think that certain conditions didn,t warrant illuminating the mil lamp but just store in memoery and can be checked with a code reader

Posted on Sep 09, 2010

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Please don't forget to rate!!!!

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