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One of three things 99% due to these codes:
Last gas you put in
HFPF
Fuel pump assembly (basically the regulator, fuel pump,..within the assembly..usually easier and cheaper to get used one from ebay and replaced who assembly).
Easiest way of course is to test for the Fuel pressure by unplugging one of the fuel lines and plug it in to a fuel pressure gauge, turn the car to ACC Mode and wait for a minute if it's holding pressure.
Good luck
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