ya it makes it a pain in the ass when its cold outside -

94cummins12v's Sig:

94 dodge ram 2500 Cummins 12v, regular cab long box, nv4500 ,E/F shift handle w 2low and pacbreak switch, Dual 5" bullhauler stacks, dt profab track bar, Industrial injection 370HP stage 3 injectors, #5 fuel plate, 4000 GSK, HTT holset 35/40 hybrid with a 16cm non gated housing, ported exhaust,o-ringed head, ARP 12mm studs, pacbrake exhaust brake,60 lb valve springs,custom 191 dv's, timing at 18.5*,13" ceramic valair 6sp clutch, AFE intake, Pyro,boost,Tranns temp,,

Duramax doesn't run a lift pump. The CP3 draws fuel from the tank. Probably loosen the feed line on the CP3 and run the hand primer till fuel shows up. -

wildbill's Sig:

06 QCSB Mineral Gray: Stock W/ a Mag Hytec Trans Pan, ATS 5 Converter, CAT Delete, Aeroturbine Muffler, and Gauges=Oil Pressure, Trans Temp, Boost, and EGT
Parked Until Repaired

Current Ride: 1982 C10 Chevrolet Scottsdale 4x4, 6.2 Diesel, 4 Spd Muncie (Replaced Chrysler POS), Super Swampers, 2" Lift, 255,000 Mi. Top Speed 55 MPH!!!

thats whats the bleed screw is for, no need to loosen lines it might die the first start but after that itl turn right on.

i added a lift pump so when i change the FF i just turn the LP on and wait for the fuel to come flying out the bleed. no priming for me. -

2500HeavyDuty's Sig:

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well thanks to all ya'll but i just went over to walmart this mornin and stood in the parkin lot and pressed on the primer forever.(it was cold and i was still tired.) But atleast it works now. after i pumped it forever i got in and yelled at it to work and right after i did sucker started right up i definately ain't gonna let that happen again.

BTW i looked at those pictures from your fuel filter deal thread to know what to do. i like pictures more than a bunch of words... -

Big_Johnson's Sig:

'03 GMC 2500HD ext. cab, PPE Standard, PPE Boost Increase Valve, AutoMeter gauges, 20%tint all around.
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sometimes ya got to talk dirty to em and then they work...im not sure why that happens but it usually works nine times out of ten -

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ya one way to get around this is to put a lift pump on your truck and then put a momentary switch near the filter then you just have to crack the bleed screw and hold the button down till you see fuel close the screw and hold the button down a little longer then the truck will start right up -

jdugie123's Sig:

04.5 D/A MBRP 4" cool duals with muffler delete, volant air intake, EFI Live, Edelbrock 1792 fuel pump, suncoast level IV, ATS copilot, nicktane fuel filter, 6" RCD, 37" BFG KM2s, 4.56 gears, bushwacker cutout fenders