Hello,
This definitely sounds like it is fuel related. Okay, so the pump starts up when the key is cycled on to prime the system. I would recommend first changing the fuel filter. In the diagrams down below I have included the Original Equipment Manufacturers part number for the fuel filter as well as the instructions for the removal and installation of the fuel filter for your vehicle. Please go through these guides and report back on how everything goes. We can go from there if needed.
Thanks,
Alex
2CarPros
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Tuesday, January 7th, 2020 AT 1:54 AM