Engine Toyota 3MZ-FE

The 3.3-liter Toyota 3MZ-FE engine was produced from 2002 to 2015 at factories in Japan and the USA and was installed on many models of the concern. The motor was equipped with a VVT-i phase regulator on the intake shaft, a variable length manifold and an ETCS-i electronic throttle.

The MZ family also includes engines: 1MZ‑FE and 2MZ‑FE.

The engine was installed on:

  • Toyota Camry XV30 in 2004 – 2006;
  • Toyota Highlander XU20 in 2004 – 2007;
  • Toyota Highlander Hybrid XU20 in 2005 – 2007; Highlander Hybrid XU40 in 2007 – 2010;
  • Toyota Sienna XL20 in 2004 – 2006;
  • Toyota Solara XV30 in 2004 – 2008;
  • Lexus ES 330 XV30 in 2003 – 2006;
  • Lexus RX 330 XU30 in 2003 – 2006; RX 400h XU30 in 2004 – 2008;
  • Mitsuoka Orochi in 2006 – 2014.

Specifications

Production years 2002-2015
Displacement, cc 3310
Fuel system injector MPI
Power output, hp 225 – 255
Torque output, Nm 325 – 350
Cylinder block aluminum V6
Block head aluminum 24v
Cylinder bore, mm 92
Piston stroke, mm 83
Compression ratio 10.8
Features ACIS and ETCS-i
Hydraulic lifters no
Timing drive belt
Phase regulator VVT-i intake
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.7
Fuel type 95
Euro standards EURO 3/4
Fuel consumption, L/100 km (for Lexus RX 330 2005)
— city
— highway
— combined
13.1
9.8
10.7
Engine lifespan, km ~400 000
Weight, kg 177

Disadvantages of the 3MZ-FE engine

  • On long runs, an impressive oil burn often begins;
  • When the timing belt breaks, the valves always bend;
  • RPM fluctuates due to dirty throttle;
  • Severe engine tripping in the event of a breakdown of the VVT-i phase regulator valve;
  • The engine is afraid of overheating and is very prone to carbon deposits;
  • Due to clogged injectors, power can drop significantly;
  • New knock sensors finally solve the problem with their failure.

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