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early 99 7.3 new injectors rough idle

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:ford:hello.
I have a 99 7.3 early. it was having a hard start issue when purchased. I replaced batteries, ipr,icp,cps,starter,glow plugs glow plug relay, uvc gaskets and harness. it kept having a hard start issue.but truck always ran smooth and strong. just doesn't start. took to mechanic after chasing my as. he said my injectors were worn. truck has 190,000. got beans stage 1 injectors. replaced them truck starts runs powerful but has rough idle and surges a bit at low speeds. its a manual trans. drove 100 miles no change. re installed injectors to make sure they weren't bound up or something. checked all connection made sure ll injector was in cyl#8. now at 100 miles again and same rough idle any suggestions?

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