Fuel Pressure

Fuel Pressure and Residual Pressure before High Pressure Pump
Specified value Approximately 5 bar (3 to 6 bar) pressure
After 10 minutes there must be a residual pressure of at least 3 bar.
Test Conditions
Battery voltage at least 12.5 V
Fuel filter OK.
Fuel tank at least 1/4 full.
Fuel Pump (FP) control module (J538) OK; checking
The ignition is off.