DENSO
23100-38020
Voir les spéc.
SolenoidToyota D-4S Dual Injection (Port Injection + 200-bar Direct Injection)Euro 5625
DENSO 23100-38020 Pompe Haute Pression Lexus IS F RC F LC 500 5.0L V8
Plateforme moteur:Toyota/Lexus 4.6L V8 1UR-FSE / 5.0L V8 2UR-GSE D-4S Dual Injection →
RÉFÉRENCE OE
23100-38021, 294000-0620SOUPAPE DE COMMANDE
Integrated Spill Control Solenoid ValveNEZ D'INJECTEUR
-PRESSION DE SERVICE
200 barNORME ANTIPOLLUTIONEuro 5 / Euro 6 / Tier 2 Bin 5 / LEV III
GARANTIE12 Mois
03
Spécifications techniques
| Spécification | Valeur |
|---|---|
| Type de système | Toyota D-4S Dual Injection 200-bar High-Pressure Mechanical Fuel Pump |
| Pression de serviceSpéc. clé | |
| Pump Mechanism | Mechanical Cam-Driven Reciprocating Single Plunger |
| Quantity Control ValveSpéc. clé | |
| Couple de vis de bride de serrage | 21 N·m (15 lb-ft) mounting flange bolts📐 Couple & Angle de serrage → |
| Couple raccord tuyau haute pression | 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
Conseils de montage
- [
- {
- "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
Codes de Defaut (DTC) & Protocoles de Diagnostic
Codes de defaut diagnostiques (DTC) courants déclenchés lorsque cet injecteur common rail subit une usure, des pannes de circuit ou une dérive d'étalonnage:
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.
PROTOCOLES D'ATELIER
Protocoles Techniques de Diagnostic & Réparation
Procédures d'atelier vérifiées, seuils de test et guides d'intervention pour cet ensemble.
DIAGNOSTIC COMMON RAIL D
Lire le protocole techniqueDiagnostic Pompe Haute Pression: Code P0087 & Bosch CP4
DIAGNOSTIC COMMON RAIL D
Lire le protocole techniqueDiagnostic Régulateur Débit IMV SCV & Test P0088 CR
PROTOCOLE DE DIAGNOSTIC OBD-II
Lire le protocole techniqueGuide de diagnostic P0087 : Pression de rampe trop basse
DIAGNOSTIC TECHNIQUE COMMON RAIL
Lire le protocole technique