06K127025D
BOSCH 06K127025D Hochdruckpumpe VW Golf GTI R Audi S3 2.0 TSI EA888
06K127025, 06K127025J, 06K127025G, 261520197, 261520198, GDP209, 0261520197, 0261520198Integrated High-Speed Digital Flow Control Solenoid-200 barFahrzeug- und Motorverwendung
| Fahrzeug | Motor | Baujahre |
|---|---|---|
| Volkswagen Golf GTI / Golf R | Volkswagen / Audi EA888 Gen 3 & Gen 3B (1.8L & 2.0L TSI / TFSI CHHB / CJXC / CYFB) | 2015-2021 |
| Audi S3 / A4 / Q5 | Volkswagen / Audi EA888 Gen 3 & Gen 3B (1.8L & 2.0L TSI / TFSI CHHB / CJXC / CYFB) | 2015-2023 |
Technische Daten
| Spezifikation | Wert |
|---|---|
| Systemtyp | Volkswagen Group EA888 Gen 3 200-bar FSI/TSI High-Pressure Fuel System |
| BetriebsdruckKernwert | |
| Pump Mechanism | Camshaft Multi-Lobe Actuated Single-Piston Plunger Pump |
| Mounting Flange Bolt Torque | 20 N·m (15 lb-ft) cross-pattern gradual clamping torque |
| Anzugsdrehmoment Hochdruckleitung | 27 N·m (20 lb-ft) high-pressure steel delivery pipe flare nut |
| Drive Interface | Roller Tappet Lifter with Precision Hardened Roller |
| Flow Control Solenoid | Integrated 12V Pulse-Width Modulated Metering Valve |
| Manufacturer | Bosch (Tier-1 OEM for Volkswagen AG) |
| Bosch Production Number | 0261520197 / 0261520198 |
Passende Hochdruckpumpe (Kraftstoffkreislauf-Baugruppe)
Arbeitet im selben Hochdruck-Common-Rail-Kreislauf. Bei Raildruckabfall (P0087) vor dem Injektortausch die Pumpenförderleistung prüfen.
Einbauhinweise
- Always install a fresh roller tappet: A worn or seized roller tappet will gouge the intake camshaft drive lobe, necessitating expensive cylinder head and camshaft replacement.
- Verify engine oil for gasoline contamination: A failed internal shaft seal allows 200 bar fuel to spray directly into the cylinder head, diluting oil and risking rod bearing seizure.
- Tighten mounting bolts evenly in stages: Drawing down one bolt first cocks the internal plunger against the bore, fracturing the mounting ears or binding the piston.
- Cycle ignition to prime prior to start: Cycle key ON 3 times without cranking to pressurize the low-pressure feed circuit and bleed air from the pump chamber.
Fehlercodes (DTC) & Diagnoseprotokolle
Häufige Diagnose-Fehlercodes (DTCs), die ausgelöst werden, wenn dieser Common-Rail-Injektor Verschleiß, Schaltkreisfehler oder Kalibrierungsabweichungen aufweist:
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Technische Diagnose- & Service-Protokolle
Verifizierte Prüfverfahren, Fehlercode-Grenzwerte und Werkstatt-SOPs für diese Baugruppe.