I have a 2002 ford excursion 7.3 4x4 with 366,000. As of lately, I had a guy stiff my on some labor after doing a hpop gasket replacement. I had another guy install a gasket actuator so he had to remove the turbo. I bought new o rings to reinstall the turbo on the pedestal, reinstall the h pipe and some connectors etc. Since starting the engine, it throws a code (was already throwing it before I bought it) P1316 but now it sounds like it missing. I went to throw some fuel in there and the longer I drove it, the worse it missed and decrease of power got and smoked some under the turbo and around it. This is my first power stroke and I love the excursion so I need some help. I’m kinda thinking maybe an o ring isn’t sitting properly or something. Help please!

 

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