28231462 vs 03P130277
How the 28231462 (Delphi) relates to 03P130277 — VW OE reference..
28231462
Delphi · Solenoid · Common Rail
Delphi solenoid common-rail injector for the VW 1.2 TDI (engine CFWA, Euro 5) fitted to the VW Polo V, Skoda Fabia II / Roomster and Seat Ibiza. VW OE 03P130277. Each injector carries a 20-character IMA/adaptation code that must be converted and written to the ECU (adaptation channel 10) with VAG ODIS/VCDS. Failures are driven by poor fuel filtration, contamination and back-leakage wear. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Water-in-fuel corrosion; Nozzle coking.