06F127025K
BOSCH 06F127025K Hochdruckpumpe VW Golf GTI Mk5 Audi A4 2.0 TFSI EA113
06F127025M, 06F127025J, 06F127025H, 06F127025F, 06F127025B, 261520038, 0261520044, HPP0004, 0261520038Integrated High-Speed Digital Flow Control Solenoid (N276)-120 barFahrzeug- und Motorverwendung
| Fahrzeug | Motor | Baujahre |
|---|---|---|
| Volkswagen Golf GTI Mk5 / Jetta GLI | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2005-2008 |
| Audi A4 B7 / A3 8P | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2005-2008 |
| Audi TT 8J | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2007-2014 |
Technische Daten
| Spezifikation | Wert |
|---|---|
| Systemtyp | VAG EA113 Bosch HDP 120-bar High-Pressure Direct Fuel Injection |
| BetriebsdruckKernwert | |
| Pump Mechanism | Intake Camshaft Driven Single-Piston Plunger Pump |
| Mounting Flange Bolt Torque | 10 N·m (89 in-lb) M6 triple-square / Torx bolts |
| High-Pressure Line Nut Torque | 27 N·m (20 lb-ft) rigid steel delivery pipe flare nut |
| Low-Pressure Union Torque | 15 N·m (11 lb-ft) threaded brass inlet fitting |
| Cam Follower Interface | DLC Flat Tappet Bucket (requires mandatory inspection/replacement) |
| Manufacturer | Bosch (Tier-1 OEM for Volkswagen AG) |
| Bosch Production Number | 0261520038 / 0261520044 |
Passende Hochdruckpumpe (Kraftstoffkreislauf-Baugruppe)
Arbeitet im selben Hochdruck-Common-Rail-Kreislauf. Bei Raildruckabfall (P0087) vor dem Injektortausch die Pumpenförderleistung prüfen.
Einbauhinweise
- Mandatory cam follower inspection: The flat bucket tappet wears through its black DLC coating; a perforated follower will grind the camshaft lobe flat, requiring camshaft replacement.
- Always replace the internal Viton sealing O-ring: Reusing the square-cut or round flange O-ring will result in oil weeping down the cylinder head timing chain housing.
- Counter-hold pump outlet fitting: Failing to support the hex adapter on the HPFP body when torquing the flare nut will crack the internal threaded aluminum boss.
- Prime before starting: Turn ignition key ON for 5 seconds three times without cranking to prime the low-pressure 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.