Engine Mitsubishi 4A90

The 1.3-liter Mitsubishi 4A90 gasoline engine has been produced by the Japanese concern since 2004. They installed it on the sixth generation Colt, Smart Forfour, and in 2012 they gave it to the Chinese. This power unit was developed in cooperation with the well-known company Daimler-Chrysler.

The 4A9 family also includes engines: 4A91 and 4A92.

The engine was installed on:

  • Mitsubishi Colt Z30 in 2004 – 2013;
  • Smart Forfour in 2004 – 2006;
  • Haima 2 Qiubite in 2011 – 2015;
  • Zotye Z200 in 2008 – 2016.

Specifications

Production years since 2004
Displacement, cc 1332
Fuel system injector
Power output, hp 95
Torque output, Nm 125
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 75
Piston stroke, mm 75.4
Compression ratio 10.5
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 92
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Mitsubishi Colt 2007)
— city
— highway
— combined
7.4
4.8
5.8
Engine lifespan, km ~200 000
Weight, kg 125

Disadvantages of the Mitsubishi 4A90 engine

  • Most often, on specialized forums, they complain about an oil burner, which can start with low mileage.
  • The reason for oil consumption here is usually in the occurrence of rings or wear of caps.
  • Prolonged oil starvation often ends with the liners turning.
  • Minor problems boil down to ignition system failures and throttle fouling.
  • Due to the lack of hydraulic lifters, every 50 thousand km it is necessary to adjust the valves.

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