ENGINE FAMILY SPECIFICATIONCONTINENTAL COMMON RAILEuro 5

2.3 CDTI, M9T 680 Diesel Injector
Cross-Reference & Technical Specs

Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, and nozzle spray orifices for the 2.3 CDTI, M9T 680 diesel engine family.

Primary OEMCONTINENTAL
Control ValvePiezo Actuator Module
Nozzle CodeVDO-M9T
Peak Pressure1800 bar
Hold-Down TorqueSee OEM manual
01

All Verified Part Numbers for 2.3 CDTI, M9T 680

The following 1 common-rail injector assembly is calibrated for this engine family. Click the SKU to view individual test bench flow curves, sister cross-references, and vehicle applications.

Part Number (SKU)Primary OE ReferenceControl ValveNozzle Code
93168212, 4420803Piezo Actuator ModuleVDO-M9T
02

Verified Vehicle Compatibility

Make / ManufacturerVehicle Model & PlatformEngine SpecificationModel Years
OpelMovano B Combi2.3 CDTI (M9T 680)2010-2019
03

Installation, Tightening Torque & Re-torque Protocol

Strict torque compliance is mandatory on 2.3 CDTI, M9T 680 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: no family-specific value published for 2.3 CDTI, M9T 680 - consult the OEM service manual. 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 2.3 CDTI, M9T 680, 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 2.3 CDTI, M9T 680

What DTC fault codes indicate a failing injector on 2.3 CDTI, M9T 680?

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 2.3 CDTI, M9T 680 family be interchanged?

Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and Piezo Actuator Module 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 2.3 CDTI, M9T 680 engine?

The verified genuine Bosch common-rail injectors engineered for the 2.3 CDTI, M9T 680 engine family are: