The 1.8-liter gasoline Mitsubishi 4J10 has been produced at a plant in Japan since 2012 and is installed on the popular ASX crossover and some varieties of the Lancer X model. This unit is distinguished from the 4B10 by a new cylinder head with a single 16-valve camshaft and VVL system.
Specifications
| Production years | since 2012 |
| Displacement, cc | 1798 |
| Fuel system | injector |
| Power output, hp | 140 |
| Torque output, Nm | 172 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 77.4 |
| Compression ratio | 10.7 |
| Features | VVL |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | MIVEC 2 |
| Turbocharging | no |
| Recommended engine oil | 5W-20 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Mitsubishi ASX 2017) — city — highway — combined |
9.3 6.2 7.6 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 115 |
The engine was installed on:
- Mitsubishi ASX GA since 2013;
- Mitsubishi Lancer CY since 2012.
Disadvantages of the Mitsubishi 4J10 engine
- On specialized forums, reviews about this unit are mostly positive.
- The main complaints of the owners are related to different noises or vibrations of the motor.
- Modern MIVEC and VVL systems are demanding on the quality of the oil used.
- There are no hydraulic lifters, you will have to adjust the valve clearances every 50,000 km.
Frequently asked questions about the Mitsubishi 4J10
How much power does the Mitsubishi 4J10 make?
The Mitsubishi 4J10 develops 140 hp and 172 Nm of torque.
How much oil does the Mitsubishi 4J10 take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-20.
Does the Mitsubishi 4J10 have a timing belt or chain?
The Mitsubishi 4J10 uses a timing chain.
Is the Mitsubishi 4J10 turbocharged?
No, the Mitsubishi 4J10 is naturally aspirated.
Does the Mitsubishi 4J10 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 4J10 last?
The typical lifespan of the Mitsubishi 4J10 is ~220 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 4J10?
Mitsubishi ASX 2017: city 9.3, highway 6.2, combined 7.6 L/100 km.
What cars was the Mitsubishi 4J10 installed on?
Mitsubishi ASX GA since 2013; Mitsubishi Lancer CY since 2012.
What are the common problems of the Mitsubishi 4J10?
On specialized forums, reviews about this unit are mostly positive. The main complaints of the owners are related to different noises or vibrations of the motor. All known problems.
