23209-31090
DENSO 23209-31090 Inyector Toyota Camry Sienna RX350 3.5L V6
2320931090, 23209-0P040, 232090P040, 23209-31070, 2320931070High-Speed Saturated Electromagnetic Solenoid Plunger12-Hole High-Atomization Micro-Droplet Director Nozzle3.2 barDescripción del producto
The Denso 23209-31090 (superseding part number 23209-0P040, interchangeable with 23209-31070, Toyota production stamping 23250-31090, and aftermarket references FJ746 and 842-12328) is the genuine original equipment 12-hole multi-port fuel injector engineered for Toyota's acclaimed 3.5-liter 2GR-FE V6 engine family. Delivering 295 cc/min of precisely calibrated fuel flow through a 12-micro-hole atomization plate at 3.0 bar, this injector powers tens of millions of prominent vehicles including the Toyota Camry V6 (2007-2017), Highlander 3.5L (2008-2016), Sienna minivan (2007-2016), RAV4 V6 (2006-2012), Avalon (2005-2018), and Lexus RX350 and ES350 (2007-2018).
Always verify the original manufacturer reference stamped on your component before ordering. For 23209-31090, inspect matching OE cross-references and ensure related high-pressure seals, followers, or grommets are renewed during service.
Aplicaciones de vehículos y motores
| Vehículo | Motor | Años |
|---|---|---|
| Toyota Camry / Avalon | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2005-2018 |
| Toyota Highlander / Sienna | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2007-2016 |
| Toyota RAV4 V6 / Venza | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2006-2015 |
| Lexus RX350 / ES350 | Toyota / Lexus 3.5L V6 2GR-FKS / 2GR-FXS D-4S & 2GR-FE Dual VVT-i | 2007-2018 |
Especificaciones técnicas
| Especificación | Valor |
|---|---|
| Tipo de sistema | Toyota Multi-Point Electronic Fuel Injection (EFI Port Injection) |
| Base Regulated Fuel Pressure | 3.1 - 3.5 bar (45 - 51 psi / 310 - 350 kPa system pressure) |
| Static Fuel Flow Rate | 295 cc/min @ 3.0 bar (28.1 lb/hr gasoline fuel delivery) |
| Coil Electrical Resistance | 11.6 - 12.4 Ohms @ 20°C (High-Impedance Saturated Solenoid) |
| Nozzle Spray GeometryDato clave | |
| Fuel Delivery Pipe Mounting Fasteners | 21 N·m (15 lb-ft) securing aluminum rail to lower intake |
| Upper & Lower Seals Architecture | Upper Viton Fluorocarbon O-Ring & Lower Intake Manifold Grommet |
| Operating Voltage Range | 9.0 - 16.0 Volts DC |
| Manufacturer | Denso Corporation (Tier-1 OEM for Toyota Motor Corporation) |
| Denso Production Reference | Denso Japan / Toyota 23209-31090 / 23209-0P040 |
| Presión de servicioDato clave |
Bomba de alta presión compatible (Ensamblaje del circuito de combustible)
Funciona en el mismo circuito de alta presión Common Rail. Al diagnosticar baja presión (P0087), verifique el caudal de la bomba antes de sustituir los inyectores.
Consejos de instalación
- [
- {
- "step": 1,
- "title": "EFI Fuel System Pressure Relief",
- "instruction": "Remove the 15A EFI fuse from the engine compartment junction block. Crank engine for 5 seconds to depressurize fuel rails, then disconnect negative battery terminal."
- },
- {
- "step": 2,
- "title": "Upper Intake Plenum & Throttle Body Removal",
- "instruction": "Unbolt upper aluminum intake surge tank plenum, rear stay brackets, PCV lines, and throttle body. Remove plenum to expose fuel delivery rails on both cylinder banks."
- },
- {
- "step": 3,
- "title": "Fuel Delivery Pipe Mounting Bolts Removal",
- "instruction": "Disconnect electrical wiring harness connectors from all six fuel injectors. Remove the 12mm bolts securing Bank 1 and Bank 2 fuel delivery pipes to the lower intake manifold."
- },
- {
- "step": 4,
- "title": "Injector Extraction & Intake Manifold Grommet Replacement",
- "instruction": "Carefully draw fuel rails backwards and remove injectors from rail pockets. Extract hardened lower rubber insulator grommets from intake manifold injector counterbores."
- },
- {
- "step": 5,
- "title": "New O-Ring Lubrication, Reassembly & Specified Torquing",
- "instruction": "Lubricate new upper Viton O-rings with clean engine oil. Push injectors into delivery pipe with a smooth twisting motion. Torque fuel delivery pipe bolts to 21 N\u00b7m (15 lb-ft) and reinstall intake plenum."
- }
- ]
Codigos de Falla (DTC) y Protocolos de Diagnostico
Codigos de falla de diagnostico (DTC) comunes que se activan cuando este inyector common rail experimenta desgaste, fallas de circuito o desbalance:
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.
Protocolos Técnicos de Diagnóstico y Servicio
Procedimientos de taller verificados, umbrales de prueba y pautas de servicio para este conjunto.