Engine Mitsubishi 4J10

The 1.8-liter gasoline Mitsubishi 4J10 has been produced at a plant in Japan since 2012 and is installed on the popular ASX crossover and some varieties of the Lancer X model. This unit is distinguished from the 4B10 by a new cylinder head with a single 16-valve camshaft and VVL system.

The 4J1 family also includes engines: 4J11 and 4J12.

The engine was installed on:

  • Mitsubishi ASX GA since 2013;
  • Mitsubishi Lancer CY since 2012.


Production years since 2012
Displacement, cc 1798
Fuel system injector
Power output, hp 140
Torque output, Nm 172
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 86
Piston stroke, mm 77.4
Compression ratio 10.7
Features VVL
Hydraulic lifters no
Timing drive chain
Phase regulator MIVEC 2
Turbocharging no
Recommended engine oil 5W-20
Engine oil capacity, liter 4.3
Fuel type petrol
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Mitsubishi ASX 2017)
— city
— highway
— combined
Engine lifespan, km ~220 000
Weight, kg 115

Disadvantages of the Mitsubishi 4J10 engine

  • On specialized forums, reviews about this unit are mostly positive.
  • The main complaints of the owners are related to different noises or vibrations of the motor.
  • Modern MIVEC and VVL systems are demanding on the quality of the oil used.
  • There are no hydraulic lifters, you will have to adjust the valve clearances every 50,000 km.

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