16600-1LA0A
HITACHI 16600-1LA0A Direkt Enjektör Infiniti Q50 3.0T QX80 5.6L V8
16600-EY00A, 16600-1LA0B, FIJ0039High-Response Multi-Hole Electromagnetic High-Pressure Nozzle-150 barUyumlu Araçlar ve Motorlar
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | Nissan Direct Injection Gasoline (DIG) 150-bar System |
| Çalışma BasıncıTemel Değer | |
| Spray Configuration | High-Pressure Laser Multi-Hole Symmetrical Spray Pattern |
| INJECTOR HOLD-DOWN BOLT TORQUE | 10 N·m (89 in-lb) fuel rail mounting bolts📐 Tork ve Açı Sihirbazı → |
| FUEL LINE NUT TORQUE | 28 N·m (21 lb-ft) high-pressure delivery pipe flare nut |
| Combustion Seal | High-Density Virgin PTFE Combustion Ring |
| Upper Rail Sealing | Fluorocarbon (FKM) High-Temp Viton O-Ring |
| Manufacturer | Hitachi Astemo (Tier-1 OEM for Nissan Motor Co.) |
| OEM Production Number | 16600-1LA0A / FIJ0039 |
Uyumlu Yüksek Basınç Pompası (Yakıt Devresi Grubu)
Aynı yüksek basınçlı Common Rail devresinde çalışır. Düşük basınç (P0087) teşhisinde enjektörleri değiştirmeden önce pompa debisini kontrol edin.
Montaj İpuçları
- Never lubricate the lower PTFE combustion seal: Oil degrades the Teflon seal, causing high-pressure combustion blow-by and melted injector bodies.
- Inspect spark plugs on corresponding cylinders: A dripping injector washes fuel down the cylinder, fouling the plug and triggering misfire codes even after injector replacement.
- Verify low-pressure feed pressure: Ensure the tank lift pump delivers stable 5.0 to 6.5 bar (72 to 94 psi) before diagnosing high-pressure injector issues.
- Never reuse high-pressure crossover lines: Metallic flare ends yield upon tightening; reusing them causes dangerous high-pressure fuel sprays onto exhaust manifolds.
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.