Engine Peugeot DW12UTED

The 2.2-liter Peugeot DW12UTED or DW12U or 4HY engine was produced from 2002 to 2006 and was installed on the popular Peugeot Boxer, Citroen Jumper or Fiat Ducato minibuses. This unit was distinguished from other engines of the series by the presence of an 8-valve cylinder head.

The DW12 line includes: DW12TED4, DW12BTED4, DW12CTED4, DW12MTED4, DW12UTED.

The engine was installed on:

  • Peugeot Boxer I (J5) in 2002 – 2006;
  • Citroen Jumper I (U5) in 2002 – 2006;
  • Fiat Ducato II (230) in 2002 – 2006.


Production years 2002-2006
Displacement, cc 2179
Fuel system Common Rail
Power output, hp 100
Torque output, Nm 250
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 85
Piston stroke, mm 96
Compression ratio 17.5
Features SOHC
Hydraulic lifters no
Timing drive belt
Phase regulator no
Turbocharging MHI TD03
Recommended engine oil 5W-30
Engine oil capacity, liter 6.5
Fuel type diesel
Euro standards EURO 3
Fuel consumption, L/100 km (for Peugeot Boxer 2004)
— city
— highway
— combined
Engine lifespan, km ~500 000
Weight, kg 200

Disadvantages of the DW12UTED engine

  • Extremely hardy diesel engine, the resource of which depends on the quality of diesel fuel.
  • With a frequent change of the fuel filter, the engine can easily cover more than 500 thousand km.
  • The only disadvantage of the engine is the difficulty in dismantling the injectors for their maintenance.
  • Strong vibrations of the power unit can be eliminated by simply replacing its supports.
  • The remaining problems are typical and are associated with high pressure fuel pump leaks or a clogged EGR valve.

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