vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

B-031 Check: Intake-Air System > < B-029 Trouble Codes: Check 7

B-030 - Fuel System

Test

Work Order Description

Nominal Value

T001

Check: Fuel Reserve

  • Check fuel reserve
  • Check fuel tank for correct fuel sort content

Note:

The fuel reserve must be greater than 6 L

Yes:
T002

Actuator Test

Actuator Tests

  • Select the following Functional System on the diagnostic tester:
  • Select and enable diagnostic tester actuator test:
    Motronic 7.6.2, Z 16 LET

After successful test/fault repair proceed to the next test step

Yes:
T003

Check: Fuel Pressure

  • Ignition OFF
  • Connect fuel pressure manometer KM-J-34730-91 to fuel feed line
  • Ignition ON

Actuator Tests

  • Select the following Functional System on the diagnostic tester:
    Motronic 7.6.2, Z 16 LET
  • Select and enable diagnostic tester actuator test:
    Actuator Test Fuel Pump Relay

Pressure value okay?

3800 hPa ( 3.8 bar )

Yes: No:
T004

Check: Fuel Pipes and Fuel Filter

  • Check the following component for proper operation:
    Fuel pipes and fuel filter

Note:

Plugging, leakage or air in fuel system

Yes:





B-031 Check: Intake-Air System > < B-029 Trouble Codes: Check 7