9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
4. Check the reading at atmospheric pressure. The reading should be 3 bar (43 psi).
5. Increase the vacuum in the pressure regulator by means of the pressure/vacuum pump. System pressure should drop by the same amount as
indicated on the pressure gauge.
System Pressure........................................................................................................................................................................................3 bar (43 psi)
6. Pump up the pressure in the pressure regulator with the vacuum pump. The system pressure should now increase with the same amount as the
reading on the pressure gauge.
7. Switch off the fuel pump using the diagnostics tool.
8. "Safety on" the adapter and remove the pressure measuring equipment from the service nipple. Collect any fuel spill with a rag.
9. Remove the gauges and adapters; reconnect the hose to the fuel pressure regulator.