06H127025Q
HITACHI 06H127025Q Bomba Alta Presión VW Golf GTI Audi A4 2.0 TSI EA888 Gen 1 2
06H127025E, 06H127025G, 06H127025K, 06H127025M, HPP0005Integrated N276 Fuel Pressure Regulating Valve-150 barAplicaciones de vehículos y motores
| Vehículo | Motor | Años |
|---|---|---|
| Volkswagen Golf VI GTI 2.0 TSI | Volkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC) | 2009-2013 |
| Audi A4 B8 2.0 TFSI | Volkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC) | 2008-2015 |
| Audi Q5 8R 2.0 TFSI | Volkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC) | 2009-2015 |
Especificaciones técnicas
| Especificación | Valor |
|---|---|
| Tipo de sistema | Hitachi Mechanical Plunger Direct Injection Fuel Pump |
| Presión de servicioDato clave | |
| Actuation Mechanism | Camshaft 4-lobe driven via roller tappet 06L109311 |
| Mounting Flange Torque | 20 N·m (tightened evenly in diagonal sequence) |
| High Pressure Line Torque | 27 N·m Flare Nut Connection |
| Low Pressure Fitting Torque | 15 N·m banjo bolt connection |
| Códigos de avería frecuentes | P0087 (Fuel Rail Pressure Too Low), P2293 (Fuel Pressure Regulator 2 Performance), P0088 |
| Workshop Precaution | Always replace roller tappet follower 06L109311 and lubricate pump piston tip with clean engine oil before installation |
Inyectores de combustible compatibles (Ensamblaje del circuito de combustible)
Alimentado directamente por esta bomba de alta presión. Verifique el retorno de combustible si la presión del raíl no sube al arrancar.
Consejos de instalación
- [
- {
- "step": 1,
- "title": "Relieve Rail Pressure & Disconnect Low Pressure Line",
- "instruction": "Depressurize fuel system using scan tool test function or fuse pull. Remove low-pressure spring clamp and detach rubber feed line."
- },
- {
- "step": 2,
- "title": "Detach High Pressure Steel Pipe",
- "instruction": "Loosen steel fuel line flare nut (27 N·m) while holding pump outlet fitting with counter-wrench to prevent adapter distortion."
- },
- {
- "step": 3,
- "title": "Remove Flange Screws & Inspect Roller Tappet 06L109311",
- "instruction": "Unscrew two M8 flange bolts evenly in alternating half-turns. Remove pump and withdraw roller tappet 06L109311. Check roller for flat spots or pin play."
- },
- {
- "step": 4,
- "title": "Install Pump, Torque Fasteners & Bleed Air",
- "instruction": "Lubricate new O-ring seal. Tighten mounting bolts diagonally to 20 N·m. Torque steel line to 27 N·m. Cycle ignition 3 times before starting engine."
- }
- ]
Codigos de Falla (DTC) y Protocolos de Diagnostico
Codigos de falla de diagnostico (DTC) comunes que se activan cuando este inyector common rail experimenta desgaste, fallas de circuito o desbalance:
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.
Protocolos Técnicos de Diagnóstico y Servicio
Procedimientos de taller verificados, umbrales de prueba y pautas de servicio para este conjunto.