The Subaru EJ151 1.5-liter gasoline engine was produced in Japan from 1992 to 2007 and was installed on several generations of the Impreza model, which is very popular all over the world. The motor served as the base power unit and was distinguished by modest characteristics.
There are 2 modifications:
- EJ151 with a compression ratio of 9.4 and a power of 97 hp.
- EJ152 with a compression ratio of 10.0 and a power of 102 hp.
EJ family: EJ15, EJ20, EJ20T, EJ25.
Specifications
| Production years | 1992-2007 |
| Displacement, cc | 1493 |
| Fuel system | injector |
| Power output, hp | 97 (EJ151) 102 (EJ152) |
| Torque output, Nm | 129 (EJ151) 137 (EJ152) |
| Cylinder block | aluminum H4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 65.8 |
| Compression ratio | 9.4 (EJ151) 10 (EJ152) |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.4 |
| Fuel type | petrol |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Subaru Impreza 1997) — city — highway — combined |
9.7 6.3 8.4 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 100 |
The engine was installed on:
- Subaru Impreza 1 (GC) in 1992 – 2001, Impreza 2 (GD) in 2000 – 2007.
Disadvantages of the EJ15 engine
- The main problem with this engine is low power, even the Impreza does not drive with it;
- In second place is the oil burner and constant oil leaks from gaskets and seals;
- A strong drop in the level of lubrication here often turns into a rotation of the liners;
- Due to the weak and unreliable cooling system, this unit often overheats;
- The appearance of a knock in the fourth cylinder means that after overheating, the block led.
Frequently asked questions about the Subaru EJ15
How much power does the Subaru EJ15 make?
Power output of the Subaru EJ15, hp: 97 (EJ151); 102 (EJ152). Torque, Nm: 129 (EJ151); 137 (EJ152).
How much oil does the Subaru EJ15 take and which one?
Engine oil capacity: 4.4 liters. Recommended oil: 5W-30.
Does the Subaru EJ15 have a timing belt or chain?
The Subaru EJ15 uses a timing belt.
Is the Subaru EJ15 turbocharged?
No, the Subaru EJ15 is naturally aspirated.
Does the Subaru EJ15 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 Subaru EJ15 last?
The typical lifespan of the Subaru EJ15 is ~220 000 km with proper maintenance.
What is the fuel consumption of the Subaru EJ15?
Subaru Impreza 1997: city 9.7, highway 6.3, combined 8.4 L/100 km.
What cars was the Subaru EJ15 installed on?
Subaru Impreza 1 (GC) in 1992 - 2001, Impreza 2 (GD) in 2000 - 2007.
What are the common problems of the Subaru EJ15?
The main problem with this engine is low power, even the Impreza does not drive with it. In second place is the oil burner and constant oil leaks from gaskets and seals. All known problems.
