Operation CHARM: Car repair manuals for everyone.

Pressure

Fuel System Pressure
Fuel System Pressure at Idle
Pressure Regulator Vacuum Hose Connected 3.2-3.8 bar (46-55 PSI)
Pressure Regulator Vacuum Hose Disconnected 3.8-4.2 bar (55-61 PSI)
Residual Pressure
Check residual pressure 10 minutes after shutting off engine.
Cold Engine 2.2 bar (31.9 psi) Minimum
Approx.
Warm Engine 3.0 bar (43.5 psi) Minimum
Approx.