well we are just having the same problem with one of my buddies trucks. He has a 99 24 valve and we tried to change the filter on the truck today. Now we have preassure from the canister to the beginning of the injection pump but none from the injection pump to the injectors or lines.
We replaced the lift pump also thinking that it could be the problem seeing as how there is 150000 miles on the truck and it was the original pump. We did this because the lift pump was not able to purge the system well enough due to a lack of preassure. Now with the new lift pump we have excelent preassure to the canister and the injection pump but none after that. Please help.
