16600-5CA0A
HITACHI 16600-5CA0A Iniettore Alta Pressione Infiniti Q50 Q60 Nissan Z 3.0T VR30
FIJ0041, 16600-5CA0BHigh-Speed Electromagnetic Multi-Hole Micro Nozzle-200 barApplicazioni Veicolo e Motore
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Tipo di sistema | Hitachi High-Pressure Multi-Hole Direct Gasoline Fuel Injector |
| Pressione di esercizioSpecifica Chiave | |
| Spray Pattern | Precision multi-hole fan pattern engineered for twin-turbo high-swirl combustion |
| Fuel Rail Bolt Torque | 10 N·m (flanged rail bracket retaining bolts) |
| High Pressure Pipe Torque | 28 N·m (delivery flare nut connection) |
| Coil Resistance | 1.8 - 2.2 Ω at 20°C (direct pulse solenoid circuit) |
| Codici guasto tipici | P0300 (Random Misfire), P0301-P0306 (Cylinder Misfire), P0171 (System Lean under Boost) |
| Workshop Precaution | Always fit new Teflon combustion seals with resizing tool and replace copper backup washers |
Pompa alta pressione abbinata (Gruppo circuito carburante)
Funziona sullo stesso circuito ad alta pressione Common Rail. In caso di bassa pressione rail (P0087), verificare la portata della pompa prima di sostituire gli iniettori.
Istruzioni di montaggio
- [
- {
- "step": 1,
- "title": "Depressurize Fuel Rail & Remove Upper Intake Plenum",
- "instruction": "Disable low-pressure fuel pump fuse and crank engine until fuel pressure drops below 5 bar. Detach dual charge air intercooler ducting and intake manifold plenum."
- },
- {
- "step": 2,
- "title": "Disconnect Harness Plugs & Twin High Pressure Fuel Rails",
- "instruction": "Unclip wiring harness from all six direct injectors. Unscrew high pressure fuel rail retaining bolts (10 N·m) and ease fuel rails away from cylinder heads."
- },
- {
- "step": 3,
- "title": "Extract Injectors & Calibrate New Teflon Combustion Seals",
- "instruction": "Withdraw direct injectors using specialized slide puller. Clean cylinder head injector bores thoroughly and size new Teflon tip seals using calibration collet."
- },
- {
- "step": 4,
- "title": "Torque Rail Fasteners & Verify Zero High Pressure Leakage",
- "instruction": "Lubricate O-rings with clean engine oil and push injectors into position. Tighten rail bolts to 10 N·m and flare nuts to 28 N·m. Prime fuel system and inspect for leaks."
- }
- ]
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
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.
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.