23209-31100
DENSO 23209-31100 Iniettore Diretto Toyota Tacoma 3.5L V6 2GR-FKS D-4S
297500-0110, 23209-0P040, 23290-31100Slit-Nozzle Atomizing Direct Injection High-Pressure Solenoid-200 barApplicazioni Veicolo e Motore
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Tipo di sistema | Toyota D-4S Dual Fuel Injection (Direct & Port) 200-bar System |
| Pressione di esercizioSpecifica Chiave | |
| Spray Type | Laser-Drilled Dual-Slit and Multi-Hole Symmetrical Fan Pattern |
| INJECTOR HOLD-DOWN BOLT TORQUE | 10 N·m (89 in-lb) injector clamp retaining bolts📐 Calcolatore Coppia e Angolo → |
| FUEL LINE NUT TORQUE | 30 N·m (22 lb-ft) high-pressure fuel pipe union joint bolt |
| Combustion Seal | High-Density Virgin PTFE Teflon Ring |
| Vibration Damper | Fluorocarbon (FKM) Resilient Bushing and Rail Seal |
| Manufacturer | Denso (Tier-1 OEM for Toyota Motor Corporation) |
| Denso Production Number | 297500-0110 |
Pompa alta pressione abbinata (Gruppo circuito carburante)
Funziona sullo stesso circuito ad alta pressione Common Rail. In caso di bassa pressione rail (P0087), verificare la portata della pompa prima di sostituire gli iniettori.
Istruzioni di montaggio
- [
- {
- "step": 1,
- "title": "Depressurize Fuel System via Toyota Techstream or Fuel Relay",
- "instruction": "Depressurize high-pressure fuel rail using diagnostic scanner or by removing fuel pump relay. Disconnect negative battery ground cable."
- },
- {
- "step": 2,
- "title": "Intake Manifold & Surge Tank Removal",
- "instruction": "Remove upper aluminum intake surge tank plenum, vacuum lines, and throttle body wiring to access Bank 1 and Bank 2 high-pressure fuel rails."
- },
- {
- "step": 3,
- "title": "High-Pressure Delivery Pipe Removal",
- "instruction": "Unscrew high-pressure fuel feed pipe unions using backup wrenches on hex flats. Remove fuel rail bracket mounting bolts."
- },
- {
- "step": 4,
- "title": "Direct Injector Extraction & Cylinder Head Bore Prep",
- "instruction": "Remove injector hold-down clamps and pull direct injectors straight from head. Clean carbon deposits from injector well seats using brass tools."
- },
- {
- "step": 5,
- "title": "New Injector Installation & Torque Procedure",
- "instruction": "Install new Denso 23209-31100 injectors with new Teflon seals. Tighten hold-down clamp bolts evenly to 10 N·m (89 in-lb), and fuel pipe union bolts to 30 N·m (22 lb-ft)."
- }
- ]
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
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.
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.