Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | Fuel Injection Systems | Denso DEC | Diagnostic Information and Procedures | Diagnostic Procedures | Electronic Diesel Injection System DECE1C, A 17 DTJ, A 17 DTR, Z 17 DTJ, Z 17 DTR | C-xx Fault Isolation Procedures | C-033 Function-Group Low and High Pressure Section

C-033 - Function-Group Low and High Pressure Section

Result	Cause Of Fault
E001	Result: Mechanical Fault
	Mechanical fault in the low-pressure section or Mechanical fault in the high pressure section Check the following mechanical fault sources: Screen in fuel tank Pressure relief valve in fuel tank The low pressure fuel pump delivery rate is too low The high pressure fuel pump delivery rate is too low or Defective component: component, that is recognised as defective or Y161 Solenoid Valve - Fuel Metering Note: Refer to Service Manual Important: If an injector has been replaced, the Quantity Adjustment Code of the new injector must be programmed to the engine control unit.