Hi guys, I feel a bit silly asking for help as I'm an apprentice mechanic and should be able to work this out on my own but I really can't. I rebuilt the 12ht for my truck (fj62). Everything's new but the turbo. Now the drama I have is it seems to be bleeding back I assume, I can pump the primer on the injector pump (which is usually firm enough i would think) and it fires up pretty much straight away. If I don't, it'll crank for a really really long time and will need throttle to stay running.
I have checked injection timing 3 times, replaced all copper washers, replaced the rubber hose from the fuel filter to the pump and checked overall lines and clamps. Being it was petrol now a diesel I'm unsure if perhaps there is a drama there causing it to bleed back? I didn't encounter these dramas with this pump PRIOR to reconditioning. Any other suggestions? Is it possible for the pump to be the blame? Thanks guys.
I have checked injection timing 3 times, replaced all copper washers, replaced the rubber hose from the fuel filter to the pump and checked overall lines and clamps. Being it was petrol now a diesel I'm unsure if perhaps there is a drama there causing it to bleed back? I didn't encounter these dramas with this pump PRIOR to reconditioning. Any other suggestions? Is it possible for the pump to be the blame? Thanks guys.