You need to get the air out of the system by pressing the priming valve, which is a big button on top of the fuel filter housing. You’ll have to do it up to 50 times or so, slowly, once every two ...

Sounds very dodgy. The oil shouldn't be black so soon after being changed. The excuse that it's the configuration of the engine sounds lame. I recently did a 2200 km run in my 80-year-old Dodge after ...