Common-rail injection: A system with a high-pressure fuel rail supplying the injectors. Never loosen pressurized fuel lines.
A system with a high-pressure fuel rail supplying the injectors. Never loosen pressurized fuel lines.
A component or system name does not prove that the part has failed. Read the complete code, symptoms and live data, then follow documentation for the exact engine and equipment.
Examples for understanding the system, not a complete list or a diagnosis.
P0087P0191