Porsche Workshop Service and Repair Manuals

Fuel Pressure: Specifications

Fuel Pressure (engine stopped)

Fuel Pump bridged  .........................................................................................................................................................  3.8 ±0.2 bar (55 ± 3 psi)
Check value at idle approx. ............................................................................................................................................................  3.3 bar (48 psi)

Leak test minimum pressure

After 20 minutes  ...........................................................................................................................................................................  3 bar (43.5 psi)