Engine Toyota 3Y-EU

The 2.0-liter Toyota 3Y-EU gasoline engine was produced by the concern from 1983 to 1996 and was installed on such popular minibuses as LiteAce, Master Ace or Town Ace. This unit can also be found under the hood of the Asian version of the Hilux 4Runner 61G SUV.

The Y family includes engines: 1Y, 2Y, 3Y, 3Y‑E, 3Y‑EU, 4Y, 4Y‑E.

The engine was installed on:

  • Toyota 4Runner 1 (N60) in 1984 – 1989;
  • Toyota LiteAce 4 (R20) in 1992 – 1996;
  • Toyota Master Ace R20 in 1983 – 1991;
  • Toyota Town Ace 2 (R20) in 1983 – 1996.


Production years 1983-1996
Displacement, cc 1998
Fuel system injector
Power output, hp 95 – 115
Torque output, Nm 160 – 180
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 86
Piston stroke, mm 86
Compression ratio 9.0
Features OHV
Hydraulic lifters yes
Timing drive chain
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.5
Fuel type petrol
Euro standards EURO 2
Fuel consumption, L/100 km (for Toyota Lite Ace 1993)
— city
— highway
— combined
Engine lifespan, km ~330 000
Weight, kg 150

Disadvantages of the Toyota 3Y-EU engine

  • The main problems of this power unit are somehow connected with its overheating.
  • Warping of the cylinder head with gasket breakdown is common here.
  • Sometimes this leads to the destruction of the jumper of the 4th cylinder with the antifreeze channel.
  • Oil seals quickly tan from overheating and lubricant consumption appears.
  • Also, oil leaks, failures in the ignition system and the fuel pump can be disturbing here.

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