9-5 Aero Wagon (9600) L4-2.3L Turbo (B235) HO (2001)
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3. Start the fuel pump with the diagnostic tool.
4. Check the reading at barometric pressure. The reading should be 3 bar (43 psi).
5. Increase the negative pressure 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.
