16600-1KT0A
BOSCH 16600-1KT0A Injetor Alta Pressão Nissan X-Trail Qashqai 2.0L MR20DD
16600-4BA0A, 0261500228High-Speed Electromagnetic Multi-Hole Micro Solenoid-200 barAplicações por Veículo e Motor
| Veículo | Motor | Anos |
|---|---|---|
| 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 |
Especificações Técnicas
| Especificação | Valor |
|---|---|
| Tipo de sistema | Bosch HDEV5 Multi-Hole Direct Gasoline Fuel Injector |
| Pressão de trabalhoEspec. Principal | |
| 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) |
| Códigos de falha comuns | 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 |
Bomba de alta pressão compatível (Montagem do circuito de combustível)
Opera no mesmo circuito de alta pressão Common Rail. Ao diagnosticar pressão baixa (P0087), verifique a vazão da bomba antes de trocar os injetores.
Dicas de instalação
- [
- {
- "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."
- }
- ]
Codigos de Falha (DTC) e Protocolos de Diagnostico
Codigos de falha diagnosticos (DTC) comuns acionados quando este injetor common rail apresenta desgaste, falhas de circuito ou desvio:
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.
Protocolos Técnicos de Diagnóstico & Manutenção
Procedimentos de oficina verificados, valores limite de teste e normas de serviço para este conjunto.