Hello all. I am having some fuel issues (I think). I have a 1991 land cruiser that has a 1hdt diesel swap. At start up the truck cranks for a few seconds and won’t fire. Let off ignition and crank again and fires right up. Then while driving it bogs down and looses power and shuts off some times. Takes a bit to crank back up but will start again. I changed the fuel filter and air filter was fine but changed anyways. It had a new injector pump put on not long before me buying (roughly 2 years ago). The line from the tank to the injector pump looks new with no leaks or damage to me. Any ideas or tips?