Fuel Pressure: Specifications
Volkswagen does not provide a fuel pressure specification. Refer to fuel injector pressure as a reference for minimum pressures
Fuel injector pressure specification:
New 150 - 158 bar (2175 - 2291 psi)
Wear limit 140 bar (2030 psi)
Leak-down 110 bar (1595 psi) for 10 seconds