DENSO
23209-37010
View Specs
SolenoidDenso Multi-Point Port Fuel Injection (MPI, 4 bar)Euro 56
DENSO 23209-37010 Fuel Injector Toyota Prius Prius V Corolla Lexus CT200h 1.8L Hybrid 2ZR-FXE 2ZR-FAE 23250-37010 FJ1068
OE REFERENCE
23250-37010, FJ1068, 842-12373, 23209-39145CONTROL VALVE
-NOZZLE
-RAIL PRESSURE
4 barEMISSIONEuro 5 / Euro 6 / SULEV
WARRANTY12 Months
02
Vehicle & Engine Fitment
| Vehicle | Engine | Years |
|---|---|---|
| Toyota Prius XW30 / XW50 1.8L Hybrid | Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) | 2010-2022 |
| Toyota Corolla Hybrid 1.8L | Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) | 2015-2023 |
| Lexus CT200h ZWA10 | Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) | 2011-2020 |
03
Technical Specifications
| Specification | Value |
|---|---|
| part_number | 23209-37010 |
| oem_reference | 23209-37010 |
| manufacturer | DENSO |
| system_type | Fuel Injector |
| pressure_rating | 4 bar (58 psi) |
| operating_temperature | -40°C to +135°C |
| flange_mount_torque | 9 N-m (80 lb-in) |
| high_pressure_line_torque | 21 N-m (15 lb-ft) |
| diagnostic_dtc | P0300, P0301, P0171, P0172 |
| Operating PressureCore Spec |
04
Installation Tips
- Depressurize the fuel system completely via diagnostic scan tool or by removing the fuel pump fuse prior to line disassembly.
- Clean all surrounding bracket areas thoroughly using residue-free brake cleaner to prevent abrasive particulate ingress.
- Inspect the mechanical camshaft lobe and roller follower or clean injector bore seating surfaces before hardware alignment.
- Install component using fresh factory O-rings or Teflon combustion chamber seals lubricated only with clean motor oil.
- Torque mounting flange fasteners in alternating increments to 9 N-m (80 lb-in).
- Torque high-pressure hydraulic tube fittings using a calibrated flare nut wrench to 21 N-m (15 lb-ft).
- Prime low-pressure fuel circuit, cycle ignition key 3-4 times, and inspect for high-pressure hydraulic leaks before road test.
Tips & Warnings:
- Always replace single-use high-pressure metal fuel lines and micro-filter seals whenever disconnected.
- Verify camshaft driving lobe surfaces for scoring or flat spots before installing any mechanical pump.
- Reset long-term and short-term fuel trim adaptations via OBD-II diagnostic scanner after physical replacement.
05
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
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.
WORKSHOP PROTOCOLS
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.
Workshop Diagnostic Protocol
Read Technical ProtocolCommon Rail Injector Back-Leak Testing Guide
COMMON RAIL DIESEL WORKSHOP SOP
Read Technical ProtocolStuck Injector Removal & Carbon Cleaning SOP | FuelPartsDB
ASSEMBLY & INSTALLATION PROTOCOL
Read Technical Protocol