23209-31120
DENSO 23209-31120 Форсунка D-4S Toyota Highlander Sienna Tacoma Lexus RX350 3.5L
23209-0P050, 23209-0P051, 23209-39215, FJ1274--200 barПрименяемость к авто и двигателям
| Автомобиль | Двигатель | Годы выпуска |
|---|---|---|
| Toyota Tacoma N300 | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2016-2023 |
| Toyota Highlander XU50 | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2017-2022 |
| Lexus RX350 AL20 | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2016-2022 |
Технические характеристики
| Параметр | Значение |
|---|---|
| Part Number / SKU | 23209-31120 |
| Manufacturer Brand | DENSO |
| Component Type | Direct Fuel Injector |
| Engine Application | Toyota 3.5L V6 24V DOHC Dual VVT-iW D-4S Direct & Port Injection (2GR-FKS / 2GR-FXS) |
| Рабочее давлениеОсн. параметр | |
| Mounting Torque (Flange / Bracket) | 10 N-m (89 lb-in) |
| Fuel Line / Rail Torque | 21 N-m (15 lb-ft) |
| Типичные коды ошибок OBD | P0300, P0301, P0171, P0174 |
Совместимый ТНВД (Топливный контур в сборе)
Работает в одном контуре Common Rail высокого давления. При падении давления (P0087) проверьте подачу насоса перед заменой форсунок.
Рекомендации по установке
- Depressurize Fuel System: Pull fuel pump fuse or disconnect LPFP harness. Crank engine 5-8 seconds until it stalls to drop residual rail pressure below 5 bar.
- Clean Surrounding Cavity: Blow compressed air around cylinder head bore or pump flange cavity to prevent dirt ingress into the fuel rail.
- Lubricate & Fit Seals: Inspect Teflon combustion seals or O-rings. Coat lightly with clean motor oil (do not use grease) to avoid tearing during insertion.
- Torque to Factory Specification: Hand-thread bolts evenly. Tighten mounting fasteners to 10 N-m (89 lb-in), and torque fuel line fittings to 21 N-m (15 lb-ft).
- Prime & Leak Check: Cycle ignition to RUN position 3 times (5 seconds each) to build low-side pressure. Inspect fittings for leaks before starting engine.
Коды неисправностей (DTC) и протоколы диагностики
Основные диагностические коды неисправностей (DTC), возникающие при износе, замыкании цепи или отклонении калибровки данной форсунки Common Rail:
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.
Технические протоколы диагностики и обслуживания
Проверенные сервисные процедуры, пороговые значения тестов и регламенты для данного узла.