Subaru EJ20D Engine Problems And Reliability

The EJ20D engine was installed in Subaru Legacy cars from 1989-1999. Model EJ20D – four-shaft motor with a capacity of 150 hp. s (at 6800 rpm). ICE, equipped with 4 cylinders, supports the DOHC system.

The camshaft of the EJ20D engine is located directly above the valve stems, which are driven by short cylindrical tappets. The motor is equipped with hydraulic valve clearance compensators. T

he crankshaft is located on 5 supports. The engine block heads are made of aluminum alloy, which has high corrosion resistance.

The engine capacity is 1994 cubic meters. see Maximum torque of the EJ20D engine is 196 Nm at 4400 rpm. Fuel consumption per 100 km is about 10 liters.

The compression ratio of the fuel in the cylinders is 12. The cylinder diameter of the EJ20D engine is 92 mm. The timing drive is equipped with a toothed belt, which must be changed every 100 thousand km.

Applicability of EJ20D engine

  • Subaru: Forester, Impreza, Legacy
  • SAAB : 9-2X
  • Isuzu : Aska
Volume (cm3)1994
Power (hp)150
Timing driveBelt
Environmental classEuro 2/3/4
Fuel typeGasoline AI-95
ICE featuresDOHC
Supply systemInjector
hydraulic liftersYes
Cylinder blockAluminum H4
cylinder headAluminum 16v
Cylinder diameter92 mm
Stroke75 mm
Compression ratio10
Phase regulatorNo
Engine oil4-5 l. 5w30, 5w40
Average resource250,000+ km.

Disadvantages and problems of the EJ20D engine

A typical malfunction of the EJ20D engine is overheating of the cylinders, which is accompanied by a characteristic knock. To eliminate the malfunction, an overhaul of the internal combustion engine will be required.

Another problem that occurs when operating the EJ20D engine is oil leakage. Leakage occurs when seals and valve cover gaskets are damaged. When using low-quality lubricants, piston ring sticking can occur.

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