ENGINE FAMILY SPECIFICATIONDENSO COMMON RAILEuro 5 / Euro 6 / SULEV

Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) Diesel Injector
Cross-Reference & Technical Specs

Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, nozzle spray orifices, and hold-down tightening torque for the Toyota diesel engine family.

Primary OEMDENSO
Control ValveHigh-Speed Electromagnetic Solenoid Pintle Valve
Nozzle CodeSee Product Detail
Peak Pressure3.5 bar
Hold-Down Torque21 N·m
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All Verified Part Numbers for Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)

The following 3 common-rail injector assemblies are calibrated for this engine family. Click any SKU to view individual test bench flow curves, sister cross-references, and vehicle applications.

Part Number (SKU)Primary OE ReferenceControl ValveNozzle Code
23209-39145, 23209-39215, 297500-0540High-Speed Electromagnetic Solenoid Pintle ValveSee Product Detail
23250-0T020, 23209-39145, FJ1068High-Speed Electromagnetic Solenoid Pintle ValveSee Product Detail
23250-37010, FJ1068, 842-12373High-Speed Electromagnetic Solenoid Pintle ValveSee Product Detail
02

Verified Vehicle Compatibility

Make / ManufacturerVehicle Model & PlatformEngine SpecificationModel Years
ToyotaPrius XW30 / XW50 1.8L HybridToyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)2010-2022
ToyotaCorolla Hybrid 1.8LToyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)2015-2023
LexusCT200h ZWA10Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)2011-2020
03

Installation, Tightening Torque & Re-torque Protocol

Strict torque compliance is mandatory on Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) common-rail cylinder heads. Over-torquing stretches the injector body or strips the head clamping threads, while under-torquing allows combustion blow-by past the copper sealing washer:

🔧 Recommended Assembly Torques:
  • Hold-down clamp bolt: 21 N·m (cold state). Always clean the cylinder head recess with an injector seat reamer.
  • High-pressure rail flare nut: 25-30 N·m using a dedicated 17 mm line wrench.
  • Return leak-off banjo bolt: 9-12 N·m with fresh copper washers on both sides of the banjo union.
⚠️ ECU IMA Coding Requirement:

After fitting replacement injectors on Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid), generate or program the cylinder-specific IMA calibration code into the engine ECU using an OEM-level scan tool (Bosch KTS, Renault CLIP, or VAG-COM) to prevent cylinder power imbalance and rough idle.

04

Technical Diagnostics FAQ for Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)

What DTC fault codes indicate a failing injector on Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid)?

The most frequent fault codes are P0201 through P0204 (Injector Circuit Malfunction on Cylinders 1-4), P2146/P2149 (Injector Group Supply Voltage Error), and P0087 (Fuel Rail Pressure Low due to excessive internal leak-off). Measure solenoid coil resistance across the pins (0.5-1.5 Ω) and perform a graduated-bottle dynamic leak-back test to pinpoint the leaking cylinder.

Can sister SKUs within the Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) family be interchanged?

Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and High-Speed Electromagnetic Solenoid Pintle Valve control valve, they differ in nozzle spray orifice angle and factory IMA flow calibration. Mixing sister SKUs on the same engine block can trigger rough idle, elevated exhaust gas temperatures (EGT), and MOT emissions failure.

Which specific Bosch injectors fit the Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) engine?

The verified genuine Bosch common-rail injectors engineered for the Toyota / Lexus 1.8L 2ZR-FE / 2ZR-FXE / 2ZR-FAE (VVT-i & Hybrid) engine family are: