Cummins 5.9 , 2001 w/ low miles of 30k. Upon starting...blows blueish smoke when hit accelerator, will idle fine, won't go over 25mph after warming up for 20-30 mins., craps out, then suddenly-off we go...but not like before this issue started. I put it to bed for winter in storage last Oct., restarted in Jan. due to commuter broke down, but it had gelled summer fuel. Cut it with Kerosene & Diesel 911 additives. Went through 3 tanks of gas, and each time within 1/2 mi. of fueling station, problem would begin again. Each time added additives & warmed up forever - same issues. Parked it - unreliable; Drained all fuel & changed fuel filter -no improvement. Took it to Dodge dealer - said it was the Turbo. $1400 later; They Called to say Same problem still exists...must be lift fuel pump; They put in a tank fuel pump, said it was fixed; Same exact problem existed when I left the shop - obviously they have both competency & ethical issues. I can't find an independent Cummins mechanic up here in Anchorage, AK. Totally frustrated w/dealership & a truck that wont run.
Truck only used to go camping in summers up here, except for last winter's issue with POV. [B] Any assistance in helping me get this solved would be GREATLY appreciated!

 

Excessive fuel will cause blue smoke...a cracked manifold... the VP44 is overfueling slightly...
check for codes,,turn key on off on,, see if a p code comes up!