i have a 01 that in the mornings or it sit for a hour or 2 it wont make fuel pressure tell i mess with bumping the starter a bunch of times may be for 5 to 10 min... when i bump it the lp clicks a few times and thats all. . no pressure then finally it takes off with 15lb of pressure... i have tryed new pumps and a cam senser... . it smokes white while cranking... it kinda seem like it lost its prime but lp should still work i think. . also its really bad if facing up hill some... any help would be great thanks trd