Signal Too High: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS CORPORATION

Fig 2: Checking Connector

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• Ignition off.
• Reinstall the connectors, components etc.
• Engine idling.

  Read off the signal from the fuel pressure sensor.

  Check that the signal is within its permitted range. Normal value is 480 ± 5 kPa at idle.

  Read off the signal from the fuel pressure sensor with the ignition on. Check that the fuel pressure has dropped. Normally, the pressure should drop by approx. 100 kPa from the value at idle.

  NOTE:

  The signal indicates absolute pressure.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS CORPORATION
  Fig 4: Identifying Fuel Pressure Sensor

  Courtesy of VOLVO CARS CORPORATION

Is the value within its permitted range? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION