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Home >> Saab >> 2007 >> 9-3 2.0T, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Fuel System V6) >> Repair Instructions >> Checking Fuel Pressure >> Checks

Checking Fuel Pressure: Checks

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  1. Remove the engine cover.
  2. Unscrew the valve cap. Connect pressure measuring equipment: 83 93 852 Pressure measuring equipment, fuel pressure and oil pressure, 83 94 744 Fuel pressure testing adapter and 83 95 121 Extension, fuel pressure testing adapter, V6. The adapter is connected "secured" to the extension. "Unsecure" the adapter.
    Fig 1: Connecting Fuel Pressure Testing Adapter
    G05057554Courtesy of SAAB-SCANIA OF AMERICA, INC.
  3. Activate the fuel pump module with the diagnostic tool.
    Fig 2: Starting Fuel Pump Using Diagnostics Tool
    G05052122Courtesy of SAAB-SCANIA OF AMERICA, INC.
  4. Take a reading from the measuring equipment.

    System pressure upon activation 

    SYSTEM PRESSURE UPON ACTIVATION TABLE

    Activation bar (psi)
    The following values are approximate and may vary.
    1 1.9
    2 2.0
    3 2.3-2.6
    4 2.5-3.3
    5 2.7-4.0
    6 2.8-4.8
    7 2.8-4.8
    8 2.9-4.9
    9 2.9-4.9
    10 2.9-4.9
  5. Switch off the fuel pump using the diagnostics tool.
  6. "Safety on" the adapter and remove the pressure measuring equipment from the service nipple. Wipe up any fuel spill with a rag.
    Fig 3: Identifying Pressure Measuring Equipment From Service Nipple
    G05057558Courtesy of SAAB-SCANIA OF AMERICA, INC.
  7. Fit the engine cover.
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