maddobber28
New member
- Joined
- Feb 28, 2009
- Messages
- 64
Not my truck but a friend of mine had his truck die running down the road the other day and had to tow it home. It has a fass fuel pump but no pressure gauge. I cracked the fitting on the injection pump to see if it has fuel to the pump and it seems to have a lot of pressure and had quite a bit of flow in a short time it was open. I have messed with a lot of vp44 trucks and never had one that wouldn't start, or even try to start. I cracked injector line on 1,3,4..And it doesn't seem to have a lot of fuel coming out or have much pressure. The other problem is a read the codes and nothing comes up. The only other thing I noticed is that his fass pump seems to change tone a lot and it seems to pulse fuel on the fill tube of the truck where the fuel line returns off the Fass back into the truck tank. I have installed about 6 Fass systems on vp trucks and never noticed any other one making so many different sounds. I guess I just want to know if I missed something obvious or if the injection pump is bad and it didn't throw any codes. Or maybe the fass has the pressure when I break the connection up front but it just doesn't flow enough to feed the vp. I guess let me know where I should start. I need to get my gauges over to his shop and see but if anyone can help I would appreciate it. Also could this be a ground or electrical problem? Thanks
