Engine Chrysler ENJ

Chrysler’s 2.5-liter ENJ or 2.5 CRD diesel engine was produced from 2000 to 2007 and installed on the Voyager RS minivan or the KJ Cherokee / Liberty SUV. This diesel engine manufactured by the Italian company VM Motori is also known as the R425 DOHC.

The VM Motori series also includes internal combustion engines: ENC, ENS, ENR, EXF and EXA.

The engine was installed on:

  • Chrysler Voyager 4 (RG) in 2000 – 2007;
  • Jeep Cherokee 3 (KJ) in 2001 – 2007.

Specifications

Production years 2000-2007
Displacement, cc 2499
Fuel system Common Rail
Power output, hp 141
Torque output, Nm 340
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 92
Piston stroke, mm 94
Compression ratio 17.5
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging IHI RHF4H
Recommended engine oil 5W-30
Engine oil capacity, liter 6.0
Fuel type diesel
Euro standards EURO 3
Fuel consumption, L/100 km (for Chrysler Voyager 2003)
— city
— highway
— combined
9.9
6.4
7.7
Engine lifespan, km ~300 000

Disadvantages of the ENJ engine

  • The diesel engine is equipped with a reliable Bosch injection pump, but the control valve often fails;
  • Also, nozzles are not the highest resource, sprayers fly into them;
  • The timing belt runs about 150,000 km, and when it breaks, it usually only breaks the rocker;
  • Due to the destruction of the membrane in the crankcase ventilation valve, the flow meter often becomes dirty and fails;
  • Other weak points include a thermostat, a booster pump and a crankshaft sensor.

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