16600-9HP0A
BOSCH 16600-9HP0A Injector Înaltă Presiune Nissan Altima Rogue Murano 2.5L 3.5L
0261500073, 0261500074, 16600-6CA0ALaser Multi-Drilled Spray Pattern Atomizer Tip-150 barCompatibilitate vehicule și motoare
| Vehicul | Motor | Ani fabricație |
|---|---|---|
| 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 |
Specificații tehnice
| Specificație | Valoare |
|---|---|
| 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 |
| Coduri de eroare frecvente | 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 |
| Presiune de lucruSpecificație de bază |
Pompă de înaltă presiune compatibilă (Ansamblu circuit combustibil)
Funcționează pe același circuit de înaltă presiune Common Rail. La cădere de presiune (P0087), verificați debitul pompei înainte de a înlocui injectoarele.
Instrucțiuni de montaj
- [
- {
- "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."
- }
- ]
Coduri de Eroare (DTC) si Protocoale de Diagnostic
Coduri comune de eroare de diagnosticare (DTC) declansate atunci cand acest injector common rail sufera uzura, defectiuni de circuit sau abateri:
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.
Protocoale Tehnice de Diagnosticare & Service
Proceduri verificate de atelier, praguri de testare și standarde de intervenție pentru acest ansamblu.