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Is this the pressure relief valve ?P0088 Fuel rail/system pressure too high + P228F Fuel pressure regulator 1, learning limit exceeded +P00AF boost

Sonicaccord

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ACCORD I-DTEC
Hello just bought a car with these codes. I also have live data if that helps
I am going to collect it and fix it at a nearby car park

it had a new fuel pump and alternator
seems strange they would overlook the Pressure relief valve ?
I got OBD readings of 12,200 PSI as I revved the car
and its In limp mode not turn boost building and dies on the hills ?
Battery voltage is at 13.4volts when the cars running
I am going to get a pressure relief valve and swap out the old old . does it sound like that could be the issue ?

is it on the back of the engine on the drivers side (RHD) on the end of the fuel rail ?
is it a 32 mm socket to remove ?
if I just clean it with brake cleaner should that fix the issue ?
what is the Bosch part number and is it an easy job to do on the road ?
 

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