John strahl Posted January 25, 2017 Share Posted January 25, 2017 My 1996 e7 350 skips and gray black smoke from cylinder 5. New injector..New rings and piston ..Nothing..Can one barrel be removed from injector pump or is the whole unit got to come off..Valves are good..Holds compression...Truck don't make money while I,m chasing ghosts. 😣 Quote Link to comment Share on other sites More sharing options...
alex g Posted January 25, 2017 Share Posted January 25, 2017 Did you check pump timing? Sent from my SM-G386W using Tapatalk Quote Link to comment Share on other sites More sharing options...
fjh Posted January 25, 2017 Share Posted January 25, 2017 I would try swaping and injector hole to hole before anything DO NOT pull the pump segment the pump has to be done a a proper fuel shop! 1 Quote Link to comment Share on other sites More sharing options...
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