16600-9HP0A
BOSCH 16600-9HP0A Iniettore Alta Pressione Nissan Altima Rogue Murano 2.5L 3.5L
0261500073, 0261500074, 16600-6CA0ALaser Multi-Drilled Spray Pattern Atomizer Tip-150 barApplicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| Nissan Altima 2.5L | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2019-2024 |
| Nissan Pathfinder 3.5L V6 | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2017-2024 |
| Infiniti QX60 3.5L V6 | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2017-2024 |
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Operating Principle | Bosch High-Pressure Solenoid Electromagnetic Actuation |
| Fuel Delivery Pressure | Up to 150 bar (15 MPa / 2175 psi) |
| Coil Electrical Resistance | 1.3 - 1.7 Ohm at 20°C |
| Rail Retaining Bolt Torque | 21 N·m M8 Thread Fasteners |
| High Pressure Pipe Torque | 30 N·m High-Pressure Tube Fitting |
| Combustion Chamber Seal | PTFE Virgin Teflon Radial Ring with backup buffer |
| Codici guasto tipici | P0171 (Lean Bank 1), P0174 (Lean Bank 2), P0300-P0306 (Random Misfire) |
| Primary Diagnostic Check | Check LTFT/STFT fuel trims under high load; clogged nozzle causes severe lean spike |
| Pressione di esercizioSpecifica Chiave |
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": "Relieve Residual Rail Pressure",
- "instruction": "Disconnect low pressure electric pump fuse. Crank engine 5-10 seconds to dissipate remaining fuel pressure in the high-pressure rail."
- },
- {
- "step": 2,
- "title": "Clean Injector Bores & Remove Old Seals",
- "instruction": "Clean bore thoroughly down to cylinder head seat. Never use metal picks that could scratch internal precision sealing walls."
- },
- {
- "step": 3,
- "title": "Compress Teflon Seals using Calibration Cone",
- "instruction": "Fit brand new Teflon combustion seal using mounting sleeve. Compress ring in step-down calibration die until outer diameter fits cleanly."
- },
- {
- "step": 4,
- "title": "Position Fuel Rail & Torque Bolts",
- "instruction": "Guide fuel rail assembly squarely into cylinder head ports. Tighten rail bolts evenly in two steps up to final torque of 21 N\u00b7m."
- },
- {
- "step": 5,
- "title": "Attach High Pressure Line & Verify Leakage",
- "instruction": "Thread high pressure feed line flare nut finger tight, then tighten to 30 N\u00b7m. Start engine and verify zero fuel misting or weeping."
- }
- ]
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.