The 1.3-liter engine Mitsubishi 4A90 has been produced by the Japanese corporation since 2004. It was installed in the sixth-generation Colt, Smart Forfour, and in 2012 it was handed over to the Chinese. This power unit was developed in cooperation with the well-known company Daimler-Chrysler. In the 4A9 family, there are also engines: 4A91 and 4A92.
| Exact capacity | 1332 cm³ |
| Power system | injector |
| Engine power | 95 HP |
| Torque | 125 nm |
| Engine block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder diameter | 75 mm |
| Piston stroke. | 75.4 mm |
| Compression ratio | 10.5 |
| Engine features | there is no |
| Hydraulic compensator. | there is no |
| Timing drive | chain |
| Timing phase adjuster | MIVEC |
| Turbocharging | there is no |
| What oils to use | 4.0 liters 5W-30 |
| Fuel type | 92 |
| Environmental class | EURO 4/5 |
| Approximate life expectancy | 200 000 HP |
| City | 7.4 litry |
| Route | 4.8 litry |
| Mixed | 5.8 litry |
The engine weight of the 4A90 according to the catalog is 125 kg. The engine number 4A90 is located at the junction with the gearbox. Most often, people complain about excessive oil consumption, which can start at low mileage. The reason for oil consumption here is usually due to ring deposit or valve seal wear. Prolonged oil starvation often results in bearing failure. Minor issues are usually related to ignition system failures and throttle contamination. Due to the absence of hydraulic compensators, the valves need to be adjusted every 50,000 km.
| Colt Z30 | 2004 - 2013 |
| Forfour | 2004 - 2006 |
| 2 Qiubite | 2011 - 2015 |
| Z200 | 2008 - 2016 |
The 0.7-liter, 3-cylinder turbocharged Mitsubishi 3B20T engine was produced from 2006 to 2020 and installed in popular kei-car models such as the eK Custom, eK Wagon, and the similar Nissan Dayz model. There are two generations of this powertrain: one for the i model and another for the eK series kei-cars. The 3B2 family also includes the following gasoline engines: - 3B20, - 3B21, and - 3B21T.
The 2.4-liter Mitsubishi 4B12 engine has been produced at a Japanese factory since 2006 and is installed in the most popular models of the company, such as the Outlander, Lancer, and Delica. This powertrain was created as part of one alliance and is similar to Chrysler's ED3, Hyundai's G4KC and G4KE. The 4B1 family also includes the following engines: 4B10, 4B11, and 4B11T.
The 1.5-liter Mitsubishi 4G15 engine was produced by the Japanese corporation from 1985 to 2012, and then its assembly was continued in China, where it is still used in many local models. This engine has many versions: with a carburetor, fuel injection, direct GDi injection, and turbocharged 4G15T. The 4G1 line also includes engines: 4G13, 4G18, and 4G19.
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