My cel came on again Thursday so I went by the dealer. Turns out my egr valve was hitting the soundproofing under the hood knocking the sensor a little loose thats why cel was going on and off. Solution- put new valve on and cut hole in soundproofing if light comes on again.
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2007.5, 6.7 liter, mega cab, 4 x 4, 68rfe trans, anti-spin, 3.73 rear axle,brilliant black crystal pearl, ISSPRO a-pillar pyro, boost, trans temp, rail pressure, Smarty, extreme power puck, HTT 66/73/13-ss.
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