06H127025Q
HITACHI 06H127025Q Yüksek Basınç Pompası VW Golf GTI Audi A4 2.0 TSI EA888 Gen 1 2
06H127025E, 06H127025G, 06H127025K, 06H127025M, HPP0005Integrated N276 Fuel Pressure Regulating Valve-150 barUyumlu Araçlar ve Motorlar
| Araç | Motor | Model Yılları |
|---|---|---|
| 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 |
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | Hitachi Mechanical Plunger Direct Injection Fuel Pump |
| Çalışma BasıncıTemel Değer | |
| 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 |
| Tipik Arıza Kodları | 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 |
Uyumlu Yakıt Enjektörleri (Yakıt Devresi Grubu)
Doğrudan bu yüksek basınç pompasıyla beslenir. Marş sırasında ray basıncı yükselmezse enjektör geri dönüş miktarını kontrol edin.
Montaj İpuçları
- [
- {
- "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."
- }
- ]
Ariza Kodlari (DTC) ve Teshis Protokolleri
Bu common rail enjektorunde asinma, devre arizasi veya kalibrasyon kaymasi olustugunda tetiklenen yaygin ariza kodlari (DTC):
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.
Teknik Arıza Teşhis ve Servis Protokolleri
Bu parça grubu için doğrulanmış atölye prosedürleri, test eşik değerleri ve servis talimatları.