23209-31050
DENSO 23209-31050 Multi-Hole Fuel Injector Toyota Camry Highlander RAV4 Lexus RX350 ES350 3.5L 2GR-FE 23250-31050
23250-31050, 23209-0P040, 23250-0P040, FJ760, 842-12322--3.5 barVehicle & Engine Fitment
Technical Specifications
| Specification | Value |
|---|---|
| sku | 23209-31050 |
| brand | DENSO |
| manufacturer_code | 23250-31050 |
| pressure_rating | 3.5 bar (51 psi) |
| torque_flange | 10 N-m (89 lb-in) |
| torque_line | 21 N-m (15 lb-ft) |
| engine_family | Toyota / Lexus 3.5L Dual VVT-i 24-Valve DOHC V6 2GR-FE |
| Operating PressureCore Spec |
Matched High-Pressure Fuel Pump (Fuel Circuit Assembly)
Operates on the same high-pressure rail circuit. When troubleshooting low rail pressure (DTC P0087), verify pump volumetric delivery before replacing injectors.
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
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.
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.