Engine Subaru EJ15

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.

The engine was installed on:

  • Subaru Impreza 1 (GC) in 1992 – 2001;
  • Subaru Impreza 2 (GD) in 2000 – 2007.


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
Engine lifespan, km ~220 000
Weight, kg 100

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.

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