How to Prime Ford 6.7 Powerstroke Fuel System (All Years)
Priming a 6.7 Powerstroke fuel system means cycling the ignition to ON without starting the engine, letting the electric lift pump push fuel through the lines until the air is gone. Skip this and you risk starving the Bosch CP4.2 high-pressure pump, which depends on diesel fuel for lubrication. Most owners hit this after a…