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.
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 | petrol |
| 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 |
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.
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.
Frequently asked questions about the Mitsubishi 4A90
How much power does the Mitsubishi 4A90 make?
The Mitsubishi 4A90 develops 95 hp and 125 Nm of torque.
How much oil does the Mitsubishi 4A90 take and which one?
Engine oil capacity: 4.0 liters. Recommended oil: 5W-30.
Does the Mitsubishi 4A90 have a timing belt or chain?
The Mitsubishi 4A90 uses a timing chain.
Is the Mitsubishi 4A90 turbocharged?
No, the Mitsubishi 4A90 is naturally aspirated.
Does the Mitsubishi 4A90 need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Mitsubishi 4A90 last?
The typical lifespan of the Mitsubishi 4A90 is ~200 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 4A90?
Mitsubishi Colt 2007: city 7.4, highway 4.8, combined 5.8 L/100 km.
What cars was the Mitsubishi 4A90 installed on?
Mitsubishi Colt Z30 in 2004 - 2013; Smart Forfour in 2004 - 2006; Haima 2 Qiubite in 2011 - 2015; Zotye Z200 in 2008 - 2016.
What are the common problems of the Mitsubishi 4A90?
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. All known problems.
