vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

B-027 Check: Low and High Pressure Section > < B-025 Check: Pressure Sensor Signal

B-026 - Check: High Pressure Area

Test

Work Order Description

Nominal Value

T001

Preliminary Diagnostic Check (Visual Inspection)

The following test steps must be performed in the given order. If a fault is found in one test step, the subsequent test steps can be skipped.

Function Checks

  • Check for pressure decrease in the high pressure section.
    (leakage, blockage)
  • Perform a visual check of the following components:
    High-pressure fuel pump
    Common Rail
    B176 Sensor - Rail Fuel Pressure
    Y161 Solenoid Valve - Fuel Metering
    L2A Injection Valve - Cylinder 1
    L2B Injection Valve - Cylinder 2
    L2C Injection Valve - Cylinder 3
    L2D Injection Valve - Cylinder 4

Note:

Please take notice of any relevant safety measures for each work operation / step.

System okay?

Yes: No:
T002

Check: Mechanics and/or Hydraulics

  • Check injector

Refer to Service Manual

Note:

Observe the corresponding safety measures before opening the high pressure fuel system.

Test okay?

Yes: No:





B-027 Check: Low and High Pressure Section > < B-025 Check: Pressure Sensor Signal