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This might help those who anyone who's experiencing fueling issues and reading 0psi of HPFP fuel pressure, or those who swapped in a JDM motor to replace their stock one like I did. TLDR: Bosch 0261545038 is the sensor you need, use a 27mm deep well socket to remove/install. The stock motor on...

Thank you! I bought it in November 2020 w/ 155k miles. I never ran ethanol but got the car w/ a tune from Dramatune making around 300hp/315tq (according to the previous owner). Other relevant mods are a V3 Accessport, COBB CAI and boost controller, and Autotech HPFP internals. I'm sure some...

EDIT: The fuel pressure sensor itself was my issue, not the ITFP relief valve. I wrote a thread about replacing it. After swapping the motor in my 2012 Speed3 at the end of July because the stock one threw a rod I started experiencing some fueling issues. The engine ran great across the rev...