16600-1LA0A
HITACHI 16600-1LA0A Direktinjektor Infiniti Q50 3.0T QX80 5.6L V8
16600-EY00A, 16600-1LA0B, FIJ0039High-Response Multi-Hole Electromagnetic High-Pressure Nozzle-150 barPassande fordon & motorer
Tekniska specifikationer
| Specifikation | Värde |
|---|---|
| Systemtyp | Nissan Direct Injection Gasoline (DIG) 150-bar System |
| ArbetstryckHuvudspec. | |
| Spray Configuration | High-Pressure Laser Multi-Hole Symmetrical Spray Pattern |
| Åtdragningsmoment spännbygelsbult | 10 N·m (89 in-lb) fuel rail mounting bolts📐 Moment- & vinkelguide → |
| Åtdragningsmoment högtrycksrör | 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 |
Matchande högtryckspump (Bränslekretsmontering)
Fungerar på samma högtrycks-common-railkrets. Vid lågt railtryck (P0087), kontrollera pumpens flöde innan injektorer byts ut.
Monteringsanvisningar
- 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.
Felkoder (DTC) och Diagnosprotokoll
Vanliga diagnosfelkoder (DTC) som aktiveras nar denna common rail-injektor uppvisar slitage, kretsfel eller kalibreringsavvikelse:
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.
Tekniska Diagnos- och Serviceprotokoll
Verifierade verkstadsrutiner, testgränsvärden och serviceinstruktioner för denna komponent.