23209-31090
DENSO 23209-31090 Injetor 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 barVisão Geral do Produto
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.
Aplicações por Veículo e Motor
| Veículo | Motor | Anos |
|---|---|---|
| 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 |
Especificações Técnicas
| Especificação | 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 GeometryEspec. Principal | |
| 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 |
| Pressão de trabalhoEspec. Principal |
Bomba de alta pressão compatível (Montagem do circuito de combustível)
Opera no mesmo circuito de alta pressão Common Rail. Ao diagnosticar pressão baixa (P0087), verifique a vazão da bomba antes de trocar os injetores.
Dicas de instalação
- [
- {
- "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 Falha (DTC) e Protocolos de Diagnostico
Codigos de falha diagnosticos (DTC) comuns acionados quando este injetor common rail apresenta desgaste, falhas de circuito ou desvio:
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 & Manutenção
Procedimentos de oficina verificados, valores limite de teste e normas de serviço para este conjunto.