DENSO
23100-38020
Все характеристики
SolenoidToyota D-4S Dual Injection (Port Injection + 200-bar Direct Injection)Euro 5625
DENSO 23100-38020 ТНВД Lexus IS F RC F GS F LC 500 LS 460 5.0L V8
Платформа двигателя:Toyota/Lexus 4.6L V8 1UR-FSE / 5.0L V8 2UR-GSE D-4S Dual Injection →
НОМЕР OE
23100-38021, 294000-0620КЛАПАН-МУЛЬТИПЛИКАТОР
Integrated Spill Control Solenoid ValveРАСПЫЛИТЕЛЬ
-ДАВЛЕНИЕ В РАМПЕ
200 barЭКОСТАНДАРТEuro 5 / Euro 6 / Tier 2 Bin 5 / LEV III
ГАРАНТИЯ12 мес.
03
Технические характеристики
| Параметр | Значение |
|---|---|
| Тип системы | Toyota D-4S Dual Injection 200-bar High-Pressure Mechanical Fuel Pump |
| Рабочее давлениеОсн. параметр | |
| Pump Mechanism | Mechanical Cam-Driven Reciprocating Single Plunger |
| Quantity Control ValveОсн. параметр | |
| INJECTOR HOLD-DOWN BOLT TORQUE | 21 N·m (15 lb-ft) mounting flange bolts📐 Калькулятор моментов и углов затяжки → |
| FUEL LINE NUT TORQUE | 30 N·m (22 lb-ft) high-pressure line union flare nut |
| Internal Plunger Seal | High-Durability Fuel-to-Oil Multi-Lip Barrier Seal |
| Manufacturer | DENSO (OEM for Toyota & Lexus) |
| Denso Production Code | 294000-0620 |
04
Рекомендации по установке
- [
- {
- "step": 1,
- "title": "Depressurize D-4S Fuel System & Safe Disassembly",
- "instruction": "Disconnect battery ground cable. Depressurize high-pressure fuel lines by removing fuel pump fuse and cranking engine, or draining residual pressure through diagnostic port into safety container."
- },
- {
- "step": 2,
- "title": "Engine Cover, V8 Intake Duct & Sound Insulator Removal",
- "instruction": "Remove engine V8 appearance cover and intake air resonance ducting. Detach sound deadening foam insulating blocks enclosing the Bank 1 / Bank 2 high-pressure pump housings."
- },
- {
- "step": 3,
- "title": "High-Pressure Pipe & Low-Pressure Feed Disconnection",
- "instruction": "Disconnect electrical connector for the spill control solenoid. Using a line wrench, loosen high-pressure fuel outlet union nut (30 N·m). Release low-pressure supply rubber hose quick-connect clip."
- },
- {
- "step": 4,
- "title": "Camshaft Position Verification & Old Pump Extraction",
- "instruction": "Rotate engine crankshaft until the camshaft drive lobe is at base circle (lowest lift) to prevent excessive spring tension during unbolting. Loosen the two flange mounting bolts evenly and remove old pump."
- },
- {
- "step": 5,
- "title": "Roller Tappet Inspection & New Pump Installation",
- "instruction": "Inspect roller tappet in the cylinder head for scoring, pitting or flat spots. Coat new O-ring with clean engine oil. Insert Denso pump and torque mounting flange bolts progressively to 21 N·m."
- },
- {
- "step": 6,
- "title": "Fuel Line Torquing, Priming & Oil Dilution Check",
- "instruction": "Align high-pressure steel tube squarely and torque union nut to 30 N·m. Reconnect harness. Prime ignition to pressurize system, perform soapy water leak check, and verify engine oil dipstick for absence of gasoline smell."
- }
- ]
05
Коды неисправностей (DTC) и протоколы диагностики
Основные диагностические коды неисправностей (DTC), возникающие при износе, замыкании цепи или отклонении калибровки данной форсунки Common Rail:
P0087Critical
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
P0201 - P0208High
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.
P0300 / P0301+High
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
P0088High
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
ПРАКТИЧЕСКИЕ РУКОВОДСТВА
Технические протоколы диагностики и обслуживания
Проверенные сервисные процедуры, пороговые значения тестов и регламенты для данного узла.
ПРАКТИЧЕСКАЯ ДИАГНОСТИКА ТНВД
Открыть руководствоДиагностика ТНВД Common Rail: Ошибка P0087 и Bosch CP4
ДИАГНОСТИКА ТОПЛИВНЫХ СИСТЕМ COMMON RAIL
Открыть руководствоДиагностика дозирующего клапана ТНВД IMV SCV & P0088
ПРОТОКОЛ ДИАГНОСТИКИ OBD-II
Открыть руководствоДиагностика ошибки P0087: низкое давление в топливной рампе
ДИАГНОСТИКА ТОПЛИВНЫХ СИСТЕМ COMMON RAIL
Открыть руководство