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.
Specifications
| 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 |
5.3 4.0 4.5 |
| Engine lifespan, km | ~230 000 |
| Weight, kg | 93 |
The engine was installed on:
- Mitsubishi Attrage 1 (A10) since 2013;
- Mitsubishi Mirage 6 (A00) since 2012;
- Mitsubishi Space Star 2 (A00) since 2012.
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.
Frequently asked questions about the Mitsubishi 3A92
How much power does the Mitsubishi 3A92 make?
The Mitsubishi 3A92 develops 78 - 80 hp and 106 Nm of torque.
How much oil does the Mitsubishi 3A92 take and which one?
Engine oil capacity: 3.2 liters. Recommended oil: 5W-30.
Does the Mitsubishi 3A92 have a timing belt or chain?
The Mitsubishi 3A92 uses a timing chain.
Is the Mitsubishi 3A92 turbocharged?
No, the Mitsubishi 3A92 is naturally aspirated.
Does the Mitsubishi 3A92 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 3A92 last?
The typical lifespan of the Mitsubishi 3A92 is ~230 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 3A92?
Mitsubishi Space Star 2015: city 5.3, highway 4.0, combined 4.5 L/100 km.
What cars was the Mitsubishi 3A92 installed on?
Mitsubishi Attrage 1 (A10) since 2013; Mitsubishi Mirage 6 (A00) since 2012; Mitsubishi Space Star 2 (A00) since 2012.
What are the common problems of the Mitsubishi 3A92?
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. All known problems.
