bigdawg Posted October 6, 2013 Share Posted October 6, 2013 Hi, All. New to BMT lots of useful info here. I have a perplexing problem, has me scratching my head. 2001 E7 Etech 355/380hp , with jake brakes .started losing power like a fuel filter about a week ago, changed filter. No real change in power loss, truck is blowing more black smoke like a possible turbo issue. Truck is giving a fault code 69/ j1939 link other device affecting ecu operation. Yesterday truck started to miss at when pulling empty trailer. Once driver made it in truck was idling and revving up fine, thou at 1800 or so rpm it would pop and blow grayish black smoke extremely violently. upon letting off the throttle engine will recover and run normally. I was sick so i parked it and fired the truck up again today, being cold I cannot get it to recreate the violent pop. Removed the inlet to the turbo charger there is some slop in the shaft , have not yet checked the boost pressure I have to get a gauge. Only other noticeable issues cylinder 1 and 3 are leaking unburnt fuel from the exhaust manifold possible faulty injector. Has me confused though cause the truck will not create the issue when its cold. Quote Link to comment Share on other sites More sharing options...
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