How to recognise a faulty common-rail injector
Symptoms, fault codes and workshop tests that actually distinguish a bad injector from a pump, a filter or a wiring fault — and what not to do on a high-pressure rail.
These notes are written for workshops and owners who need to identify, diagnose and buy new OEM diesel injectors, pumps and turbos. They are not a substitute for a workshop manual, but they will keep you from replacing the wrong part. IJECT sells only new parts — never remanufactured or used — and ships worldwide from the EU. Catalogue: injectors, fuel pumps, turbos.
Symptoms, fault codes and workshop tests that actually distinguish a bad injector from a pump, a filter or a wiring fault — and what not to do on a high-pressure rail.
How Bosch 0445, Delphi, Denso and OEM numbers relate, which stamp on the body to trust, and how to search for the right new part.
What ‘new OEM’, ‘reman’ and ‘tested used’ actually mean on a common-rail engine, and why IJECT only sells new genuine parts.