duct tape & zip ties
Join Date: Jul 2006
Location: Willis, MI
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I will suggest you have a few tests ran. I would start with an injector buzz test. This will tell you if your injectors are working. An injector contribution test this will tell you if you have any faulty injectors. To me it sounds like an injector problem. Now it could be caused by a faulty under the valve cover wiring harness. I would check the connections at the valve covers and see if they are good tight and clean. Also scan your truck for codes. Even though your cel is not lit up does not mean there are no codes stored in the pcm.
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Your Actions Today, Decide Your Future Tomorrow
2005 6.0 Crew Cab Long Box Lariat, current truck
2004 6.0 destroyed by contaminated fuel
2002 7.3L burnt