HITACHI
12692510
Özellikleri Gör
SolenoidHitachi / GM 200-bar Direct Injection Fuel Delivery SystemEuro 6330
HITACHI 12692510 Yüksek Basınç Pompası Cadillac XT5 Camaro 3.6L
Motor platformu:GM 3.6L High Feature V6 SIDI (LFX / LLT / LGX / LFY) →
OEM REFERANSI
12661029, 12677329, 12683984, HM10041, HPP0026, GDP108KONTROL VALFİ
Integrated Pulse-Width Modulated Fuel Pressure ActuatorENJEKTÖR MEMESİ
-RAİL BASINCI
200 barEMİSYONEuro 6 / Tier 3 Bin 30 / ULEV
GARANTİ12 Ay
03
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Çalışma BasıncıTemel Değer | |
| Pump Technology | Single Plunger Mechanical Camshaft-Driven HPFP |
| Flow Control | Pulse-Width Modulated Fuel Pressure Regulator Solenoid |
| Mounting Flange Torque | 10 N·m |
| High Pressure Line Torque | 30 N·m |
| Drive Type | Camshaft Multi-Lobe Drive via Hydraulic Roller Lifter |
| Fuel Type | Gasoline Direct Injection (SIDI / Spark Ignition Direct Injection) |
| OE Cross References | 12692510, 12661029, 12677329, 12683984, HM10041, HPP0026 |
| Failure Symptoms | Extended crank, fuel smell in crankcase, P0087 low rail pressure, power reduction mode |
| Diagnostic Test | GDS2 scan tool: Command rail pressure sweeps (40 to 200 bar) at idle and fast idle |
04
Montaj İpuçları
- [
- "De-energize in-tank fuel pump fuse and crank engine until fuel pressure drops to zero.",
- "Remove sound insulator shroud over cylinder head rear; disconnect pressure regulator harness plug.",
- "Carefully loosen high-pressure steel delivery tube flare nuts while backing up the pump fitting.",
- "Evenly unbolt the two M6 mounting bolts half a turn each to release spring preload without tilting.",
- "Inspect roller lifter and camshaft driving lobe for surface scoring, flaking, or rotational drag.",
- "Lubricate new viton O-ring with fresh synthetic engine oil and insert pump squarely into bore.",
- "Torque mounting bolts in small incremental passes to a final 10 N·m.",
- "Torque high-pressure line flare nut to 30 N·m; reconnect electrical harness and verify zero fuel weeping."
- ]
05
Ariza Kodlari (DTC) ve Teshis Protokolleri
Bu common rail enjektorunde asinma, devre arizasi veya kalibrasyon kaymasi olustugunda tetiklenen yaygin ariza kodlari (DTC):
P0087Critical
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
P0201 - P0208High
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.
P0300 / P0301+High
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
P0088High
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
ATÖLYE PROTOKOLLERİ
Teknik Arıza Teşhis ve Servis Protokolleri
Bu parça grubu için doğrulanmış atölye prosedürleri, test eşik değerleri ve servis talimatları.
ATÖLYE COMMON RAIL ARIZA TEŞHİSİ
Teknik Kılavuzu OkuYüksek Basınç Pompası Arıza Teşhisi: P0087 ve Bosch CP4
COMMON RAIL ATÖLYE ARIZA TEŞHİSİ
Teknik Kılavuzu OkuYakıt Ölçüm Valfi IMV SCV Arıza Teşhisi: P0088 Test
OBD-II TEŞHİS PROTOKOLÜ
Teknik Kılavuzu OkuP0087 Düşük Rail Basıncı Teşhis Kılavuzu
COMMON RAIL SERVİS DİYAGNOSTİĞİ
Teknik Kılavuzu Oku