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ok..got an f250 turbodiesel 6.0 with full bullydog system and powerpup...in the past i blew 4 injectors but now she is buckin like a bronco,took to dealer and had egr replaced..bullydog outlook gave me the codes P0404 and P0405 both egr...problem solved and whistle sounds more steady but the buckin like a bronco feelin is still their but very faint (not as bad)....can anyone help since ford does not really want to bother with the truck due to the mods and all the computer harnesses..(navigation,traffic control,on screen hud,outlook monitor,touch screen boost,torque and horse control) all professionally wired....Can my turbo be dirty???
doubtful on the tubo unless your boost is erratic. you probably have some injectors weak. first though check your oil. also if your truck is an 03 or early 04, check your icp sensor under the turbo for a possible leak. seen leaks do all kinds of things.
it's an 03 6.0....13.6 quarter mile....dppi true split exhaust....3/4/5inch......outlook powerpup...bully cold air.....i am going to try the head gaskets for a leak this weekend..///new problem starting today