02 E-350 RUNS FINE AT IDLE BUT ROUGH ON ACCELERATION

[IbrokeIT125]

well i guess i'll start with this, its got 667k miles mostly highway. starts fine idles fine but when you accelerate it starts to chug or buck moves slow and i also noticed it rolling black smoke out the pipe and i seen some blue smoke but mainly black. i thought of the accelerator sensor but not sure. any help would be greatful. p.s. i change the whole fuel filter housing, water pump just a week before it happened. drove it to NC got to VA when the problem started an was able to baby her home in OH. thanks an hope someone can help, just dont want to give up on yhe ol 7.3L shes done us proud

[7.3550Duty]

when was the last time you changed the oil or air filter??
Are there any codes flashing right now??

[IbrokeIT125]

i changed the oil and filter and the air filters before i made the trip

[IbrokeIT125]

no cel either

[IbrokeIT125]

WELL IF ANYONE HAS BEEN READING THIS I TOOK THE VAN IN TO THE DEALER AND THEY SAY THE TURBO IS FINE BUT THERES A LEAK SOME WHERE FOR IT? I DONT KNOW MY MOTHER TALKED TO THE SERVICE WRITER ON THE PHONE ABOUT IT BUT WHEN I TALK TO THEM I'LL FIND OUT WHAT CAUSE THIS PROBLEM SO I CAN POST IT ON HERE FOR OTHERS THAT RUN IN THIS PROBLEM CAN FIX IT THEM SELVES RATHER THAN BEIN LIKE ME WITH THE BIG @$$ REPAIR BILL, LOL

[jordison460]

hey man what did you find out about your turbo? i am working on a friends 02 E-250 and am having the same problem!

[IbrokeIT125]

IT JUST NEEDED A FUEL PUMP, THE DEALER TRIED TO TAKE US FOR A RIDE SAYIN IT NEEDS THIS AND THAT BUT THE FIRST THING OUT OF THEIR MOUTH WAS FUEL PUMP PRESSURE WAS LOW. SO I PAID THEM FOR CHECKIN IT OUT WENT OVER TO MY BUDDY AT THE TRUCK CENTER BOUGHT A NEW FUEL PUMP FROM FORD FOR $560 HAD IT ON AN RUNNIN THE SAME DAY. 670K MILES AND ROLLIN, LOL