16600-1LA0A
HITACHI 16600-1LA0A Injector Direct Infiniti Q50 3.0T QX80 5.6L V8
16600-EY00A, 16600-1LA0B, FIJ0039High-Response Multi-Hole Electromagnetic High-Pressure Nozzle-150 barCompatibilitate vehicule și motoare
Specificații tehnice
| Specificație | Valoare |
|---|---|
| Tip sistem | Nissan Direct Injection Gasoline (DIG) 150-bar System |
| Presiune de lucruSpecificație de bază | |
| 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📐 Calculator cuplu și unghi de strângere → |
| 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 |
Pompă de înaltă presiune compatibilă (Ansamblu circuit combustibil)
Funcționează pe același circuit de înaltă presiune Common Rail. La cădere de presiune (P0087), verificați debitul pompei înainte de a înlocui injectoarele.
Instrucțiuni de montaj
- 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.
Coduri de Eroare (DTC) si Protocoale de Diagnostic
Coduri comune de eroare de diagnosticare (DTC) declansate atunci cand acest injector common rail sufera uzura, defectiuni de circuit sau abateri:
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.
Protocoale Tehnice de Diagnosticare & Service
Proceduri verificate de atelier, praguri de testare și standarde de intervenție pentru acest ansamblu.