Engine Mitsubishi 3A92

The 1.2-liter 3-cylinder Mitsubishi 3A92 engine has been assembled by the Japanese concern since 2012 and installed on the Space Star compact van, Mirage 6 or a sedan based on it Attrage. A number of sources contain information about the version of this unit without the MIVEC phase regulator.

The 3A9 family also includes engines: 3A90 and 3A91.

The engine was installed on:

  • Mitsubishi Attrage 1 (A10) since 2013;
  • Mitsubishi Mirage 6 (A00) since 2012;
  • Mitsubishi Space Star 2 (A00) since 2012.


Production years since 2012
Displacement, cc 1193
Fuel system distributed injection
Power output, hp 78 – 80
Torque output, Nm 106
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 75
Piston stroke, mm 90
Compression ratio 10.5 – 11.0
Features DOHC
Hydraulic lifters no
Timing drive chain
Phase regulator MIVEC
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.2
Fuel type petrol
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Mitsubishi Space Star 2015)
— city
— highway
— combined
Engine lifespan, km ~230 000
Weight, kg 93

Disadvantages of the Mitsubishi 3A92 engine

  • The Japanese market version of the engine has a high compression ratio and is prone to detonation;
  • However, the main complaints of the owners are related to the oil burner due to the occurrence of rings;
  • A thin timing chain usually changes up to 150,000 km and often together with a phase shifter;
  • Weaknesses include a buggy electric throttle, ignition coils and a thermostat;
  • Since there are no hydraulic lifters, valve clearances need to be adjusted periodically.

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