Engine Hyundai G4DJ

The 1.5-liter Hyundai G4DJ engine was produced from 1985 to 1995 under license from Mitsubishi and was essentially a copy of the 8-valve version of the popular 4G15 power unit. In addition to the version with an injector, a carburetor modification with the G4AJ index is often found.

The Orion family also includes engines: G4DG.

The engine was installed on:

  • Hyundai Excel 1 (X1) in 1985 – 1989; Excel 2 (X2) in 1989 – 1995;
  • Hyundai Pony 3 (X1) in 1985 – 1989; Pony 4 (X2) in 1989 – 1994;
  • Hyundai Lantra 1 (J1) in 1990 – 1995;
  • Hyundai Scoupe 1 (X2) in 1988 – 1993.


Production years 1985-1995
Displacement, cc 1468
Fuel system injector
Power output, hp 76 – 86
Torque output, Nm 115 – 130
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 75.5
Piston stroke, mm 82
Compression ratio 9.4
Features no
Hydraulic lifters no
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 10W-40
Engine oil capacity, liter 3.3
Fuel type petrol
Euro standards EURO 1/2
Fuel consumption, L/100 km (for Hyundai Lantra 1994)
— city
— highway
— combined
Engine lifespan, km ~200 000
Weight, kg 115 (without attachments)

Disadvantages of the Hyundai G4DJ engine

  • The most famous problem is the oil burner due to stuck piston rings;
  • Also, the throttle assembly quickly wears out here and the engine speed starts to float;
  • Carefully monitor the condition of the timing belt or if it breaks, the valves will bend;
  • This engine does not like to start in severe frost and can simply pour candles;
  • On specialized forums, an unreliable gas pump and weak pillows of the unit are constantly scolded.

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