I have a 2007 3500 5.9 6 speed 2wd 500k. I have an Air Dog pump/filter with block off kit for old filter. Air Dog is working.
OK I replaced the number 6 fuel line because it was leaking. Pulled the boost puller off. I primed it a about 13 times and still nothing. Eng is turning over fine. I pulled off intake and sprayed starter fuild it fired then died. So I know I have a fuel problem but don't know why. I checked all the fuses.

Odd it was running just fine until I changed the number 6 line (that was leaking) and pulled off boost puller.

Is there a chance Batt lost Amps? But I wouldn't think both would.


Not sure what to do here.

All I know have not much cash and need to truck to work in less then 5 days.


Please help???

 

Are you getting fuel to the CP3? Is the Airdog running?

 

Yes to the air dog. Not sure about to CP3. How would I check that?

 

Crack the feed line running into the pump and see if there's any flow when the airdog is running.

 

Yes there is fuel flow to that point.

 

Ok for some reason there is no fuel getting to injectors

 

check the electrical connections to the CP3 and make sure any other electrical connectors are firmly seated. Sounds like an electrical not mechanical issue.

 

cycle keyswitch 3 times and check for codes...
also, when cranking, does the tach move?

 

Are all the connections in the top of the fuel rail firmly inserted?