Thread: Truck missing-Codes P1316,P0470,P0478 Help
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Old 06-30-2009, 04:47 PM
sldghamr sldghamr is offline
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Join Date: Jan 2007
Location: Santa Rosa, CA
Posts: 1,767
the wiring harness under the valve cover is a common problem with the 7.3L. pop the covers and check the connections.
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