FT4Z-9F593-A
BOSCH FT4Z-9F593-A Форсунка Прямого Впрыска Ford F-150 Edge ST 2.7L EcoBoost
0261500298, CM5248, FJ1234--150 barТехнические характеристики
| Параметр | Значение |
|---|---|
| Part Number / SKU | FT4Z-9F593-A |
| Manufacturer Brand | BOSCH |
| Component Type | Direct Fuel Injector |
| Engine Application | Ford 2.7L EcoBoost Twin-Turbo DOHC 24V V6 Nano |
| Рабочее давлениеОсн. параметр | |
| Mounting Torque (Flange / Bracket) | 10 N-m (89 lb-in) |
| Fuel Line / Rail Torque | 20 N-m (15 lb-ft) |
| Типичные коды ошибок OBD | P0300, P0301, P0302, P0172 |
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 20 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.