16600-1KT0A
BOSCH 16600-1KT0A Iniettore Alta Pressione Nissan X-Trail Qashqai 2.0L MR20DD
16600-4BA0A, 0261500228High-Speed Electromagnetic Multi-Hole Micro Solenoid-200 barApplicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| Nissan X-Trail T32 | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2014-2021 |
| Nissan Qashqai J11 | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2014-2021 |
| Nissan Rogue Sport | Nissan 2.0L & 2.5L Direct & Port Injection (MR20DD / QR25DE / QR25DD / PR25DD) | 2017-2022 |
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Tipo di sistema | Bosch HDEV5 Multi-Hole Direct Gasoline Fuel Injector |
| Pressione di esercizioSpecifica Chiave | |
| Spray Pattern | Multi-hole symmetrical spray pattern optimized for high-tumble combustion chamber |
| Fuel Rail Bolt Torque | 10 N·m (flanged rail bracket retaining bolts) |
| High Pressure Line Torque | 26 N·m (steel fuel delivery line flare union) |
| Coil Resistance | 1.7 - 2.1 Ω at 20°C (direct pulse solenoid circuit) |
| Codici guasto tipici | P0300 (Random Misfire), P0301-P0304 (Cylinder Misfire), P0171 (System Lean) |
| Workshop Precaution | Do not reuse Teflon combustion tip seals; clean carbon accumulation from injector ports |
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 Fuel Line Pressure & Disconnect 12V Battery Ground",
- "instruction": "Depressurize direct injection circuit via fuel pump fuse removal. Disconnect negative battery ground."
- },
- {
- "step": 2,
- "title": "Remove Upper Intake Manifold Plenum & Resonator",
- "instruction": "Unbolt intake air resonator and throttle body ducting. Detach upper intake manifold plenum to access fuel rail."
- },
- {
- "step": 3,
- "title": "Unbolt Fuel Rail & Extract Direct Injectors",
- "instruction": "Unplug electrical connectors from injectors. Disconnect high pressure supply line (26 N·m). Remove rail mounting bolts (10 N·m) and pull injectors."
- },
- {
- "step": 4,
- "title": "Fit Fresh Teflon Seals, Reassemble & Torque Fasteners",
- "instruction": "Install new Teflon tip seal with calibration cone. Torque rail bolts to 10 N·m and flare fitting to 26 N·m. Start engine and check for fuel 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.