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P0191 code Fuel rail pressure sensor circut range performance
I have 2015 6.7 powerstroke Today it had engine light for a couple hrs it went off but i still put a code reader on it after light came off and gave me P0191 code took it to autozone maybe my code reader was wrong gave same code ang suggestions where i need to start it runs good no lost of power yet i have 55k miles on already changed fuel pump water pump and radiator on it
Yes motorcraft filters could a broken vacume hose do this its a dumb question but just trying to see where i can start before deciding to take it to dealership