Engine Toyota 1UR-FSE

The 4.6-liter Toyota 1UR-FSE engine was first introduced in 2006 as a power unit for powerful executive class models. This motor is equipped with a proprietary D4-S direct fuel injection system and a VVT-iE electric phase shifter at the intake.

The UR family includes engines: 1UR‑FE, 1UR‑FSE, 2UR‑GSE, 2UR‑FSE, 3UR‑FE.

The engine was installed on:

  • Toyota Crown Majesta S200 in 2009 – 2013;
  • Lexus GS 460 S190 in 2007 – 2011;
  • Lexus LS 460 XF40 in 2006 – 2017.

Specifications

Production years since 2006
Displacement, cc 4608
Fuel system direct injection
Power output, hp 365 – 392
Torque output, Nm 460 – 500
Cylinder block aluminum V8
Block head aluminum 32v
Cylinder bore, mm 94
Piston stroke, mm 83
Compression ratio 11.8
Features ACIS and ETCS-i
Hydraulic lifters yes
Timing drive chain
Phase regulator Dual VVT-i
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 8.6
Fuel type 95
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Lexus LS 460 2008)
— city
— highway
— combined
16.5
7.9
11.1
Engine lifespan, km ~400 000
Weight, kg 222

Disadvantages of the 1UR-FSE engine

  • Owners complain about moderate oil consumption up to 0.5 liters per thousand;
  • The water pump has a small resource and can leak up to 100,000 km;
  • Often the hydraulic tensioner fails, loosening the timing chain tension;
  • In the early years of production, too thin valve springs burst;
  • Glitches of the ETCS-i electronic throttle system periodically occur;
  • From prolonged standing in traffic jams, piston rings lie;
  • In general, the reliability of this power unit is pretty good.

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