Engine Mitsubishi 4A92

The 1.6-liter Mitsubishi 4A92 engine has been assembled at the factories of the Japanese company since 2010 and is installed both on its ASX and Lancer models, and on numerous Chinese cars. The power units of this line were created in collaboration with the Daimler-Chrysler concern.

The 4A9 family also includes engines: 4A90 and 4A91.

The engine was installed on:

  • Mitsubishi ASX GA since 2010;
  • Mitsubishi Lancer CY in 2011 – 2017.

Specifications

Production years since 2010
Displacement, cc 1590
Fuel system injector
Power output, hp 117
Torque output, Nm 154
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 75
Piston stroke, mm 90
Compression ratio 11.0
Features no
Hydraulic lifters no
Timing drive chain
Phase regulator MIVEC
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.0
Fuel type 95
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Mitsubishi ASX 2011)
— city
— highway
— combined
8.4
5.2
6.5
Engine lifespan, km ~250 000
Weight, kg 131

Disadvantages of the Mitsubishi 4A92 engine

  • Most often, owners complain about the oil burner due to the wear of rings or caps;
  • Oil starvation greatly reduces the resource of the connecting rod and piston group of the motor;
  • Some components of the ignition system have low reliability here;
  • After 100 thousand km, there are leaks of the crankshaft oil seal and stretching of the timing chain;
  • Hydraulic compensators are not provided and valve clearances have to be adjusted.

2 thoughts on “Engine Mitsubishi 4A92”

    1. Standard value:

      Intake valve 0.22 ± 0.04 mm
      Exhaust valve 0.30 ± 0.04 mm

      It is recommended to check the clearances at a run of 100,000 km and then every 50,000 km. Adjust valve clearances if they deviate from the above values.

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