Catalogo / DENSO / 23100-38020
DENSO

23100-38020

Vedi Specifiche
SolenoidToyota D-4S Dual Injection (Port Injection + 200-bar Direct Injection)Euro 5625

DENSO 23100-38020 Pompa Alta Pressione Lexus IS F RC F LC 500 5.0L V8

Dati tecnici di riferimento per iniettore Common Rail Bosch 23100-38020 · OEM 23100-38021, 294000-0620 · Applicazione Toyota/Lexus 4.6L V8 1UR-FSE / 5.0L V8 2UR-GSE D-4S Dual Injection
RIFERIMENTO OE23100-38021, 294000-0620
VALVOLA DI CONTROLLOIntegrated Spill Control Solenoid Valve
POLVERIZZATORE-
PRESSIONE RAIL200 bar
NORMATIVA EMISSIONIEuro 5 / Euro 6 / Tier 2 Bin 5 / LEV III
GARANZIA12 Mesi
01

Iniettori Compatibili

Rif. OEM
02

Applicazioni Veicolo e Motore

VeicoloMotoreAnni
Lexus IS F (USE20)5.0L 32-Valve V8 2UR-GSE2008-2014
Lexus RC F (USC10)5.0L 32-Valve V8 2UR-GSE2015-2024
Lexus LC 500 (URZ100)5.0L 32-Valve V8 2UR-GSE2018-2024
Lexus LS 460 (USF40)4.6L 32-Valve V8 1UR-FSE2007-2017
03

Specifiche Tecniche

SpecificaValore
Tipo di sistemaToyota D-4S Dual Injection 200-bar High-Pressure Mechanical Fuel Pump
Pressione di esercizioSpecifica Chiave
Pump MechanismMechanical Cam-Driven Reciprocating Single Plunger
Quantity Control ValveSpecifica Chiave
INJECTOR HOLD-DOWN BOLT TORQUE21 N·m (15 lb-ft) mounting flange bolts📐 Calcolatore Coppia e Angolo →
FUEL LINE NUT TORQUE30 N·m (22 lb-ft) high-pressure line union flare nut
Internal Plunger SealHigh-Durability Fuel-to-Oil Multi-Lip Barrier Seal
ManufacturerDENSO (OEM for Toyota & Lexus)
Denso Production Code294000-0620
04

Istruzioni di montaggio

  1. [
  2. {
  3. "step": 1,
  4. "title": "Depressurize D-4S Fuel System & Safe Disassembly",
  5. "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."
  6. },
  7. {
  8. "step": 2,
  9. "title": "Engine Cover, V8 Intake Duct & Sound Insulator Removal",
  10. "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."
  11. },
  12. {
  13. "step": 3,
  14. "title": "High-Pressure Pipe & Low-Pressure Feed Disconnection",
  15. "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."
  16. },
  17. {
  18. "step": 4,
  19. "title": "Camshaft Position Verification & Old Pump Extraction",
  20. "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."
  21. },
  22. {
  23. "step": 5,
  24. "title": "Roller Tappet Inspection & New Pump Installation",
  25. "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."
  26. },
  27. {
  28. "step": 6,
  29. "title": "Fuel Line Torquing, Priming & Oil Dilution Check",
  30. "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."
  31. }
  32. ]
05

Codici Guasto (DTC) e Protocolli Diagnostici

Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:

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.

Protocolli Tecnici di Diagnosi & Assistenza

Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.

DIAGNOSI COMMON RAIL IN OFFICINA

Diagnosi Pompa Alta Pressione: Codice P0087 e Bosch CP4

Diagnosi pompa alta pressione common rail: depressione, limatura CP4, usura pompanti, infiltrazioni aria e P0087 avviamento a caldo. Guida officina.

Leggi il protocollo tecnico
DIAGNOSTICA COMMON RAIL D

Diagnosi Valvola Dosatrice IMV SCV ZME & Test P0088

Guida alla diagnosi della valvola dosatrice IMV / SCV / ZME: normalmente aperta vs chiusa, resistenza bobina, ciclo PWM e codici errore P0088 / P0089.

Leggi il protocollo tecnico
PROTOCOLLO DIAGNOSTICO OBD-II

Guida alla diagnosi del codice P0087: Bassa pressione rail

Protocollo diagnostico d

Leggi il protocollo tecnico
DIAGNOSI D

Diagnosi valvola limitatrice pressione rail: P0087 e avvio

Guida al test della valvola limitatrice di pressione common rail (DBV/PRV). Cause di mancato avvio a caldo, caduta di pressione P0087 e prova di reflusso.

Leggi il protocollo tecnico