Engine Toyota 1MZ-FE

The 3.0-liter Toyota 1MZ-FE engine was produced from 1993 to 2008 at the company’s plants in Japan and the USA and was installed on numerous models of the Japanese concern for all markets. Usually, two versions of the power unit are distinguished: with and without a VVT-i phase regulator at the intake.

The MZ family also includes engines: 2MZ‑FE and 3MZ‑FE.

The engine was installed on:

  • Toyota Alphard 1 (AH10) in 2002 – 2008;
  • Toyota Avalon 1 (XX10) in 1994 -1999; Avalon 2 (XX20) in 1999 -2004;
  • Toyota Camry 3 (XV10) in 1993 – 1996; Camry 4 (XV20) in 1996 – 2001; Camry 5 (XV30) in 2001 – 2006;
  • Toyota Estima 2 (XR30) in 2000 – 2005;
  • Toyota Highlander 1 (XU20) in 2000 – 2003;
  • Toyota Mark II Wagon X100 in 1997 – 2001;
  • Toyota Sienna 1 (XL10) in 1997 – 2002;
  • Toyota Solara 1 (XV20) in 1999 – 2003;
  • Lexus ES300 2 (XV10) in 1993 – 1996; ES300 3 (XV20) in 1996 – 2001; ES300 4 (XV30) in 2001 – 2003;
  • Lexus RX300 1 (XU10) in 1998 – 2003.

Specifications

Production years 1993-2008
Displacement, cc 2994
Fuel system injector MPI
Power output, hp 168 – 194 (non VVT-i)
210 – 220 (VVT-i)
Torque output, Nm 248 – 275 (non VVT-i)
301 – 328 (VVT-i)
Cylinder block aluminum V6
Block head aluminum 24v
Cylinder bore, mm 87.5
Piston stroke, mm 83
Compression ratio 10.5
Features no (non VVT-i)
electronic choke (VVT-i)
Hydraulic lifters no
Timing drive belt
Phase regulator no
VVT-i intake
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.7
Fuel type 92 (non VVT-i)
95 (VVT-i)
Euro standards EURO 2/3 (non VVT-i)
EURO 3/4 (VVT-i)
Fuel consumption, L/100 km
— city
— highway
— combined
Without VVT-i for Toyota Camry 2001
15.7
8.3
11.0
Fuel consumption, L/100 km
— city
— highway
— combined
With VVT-i for Lexus ES 300 2001
11.2
8.1
9.7
Engine lifespan, km ~450 000
Weight, kg 175

Disadvantages of the 1MZ-FE engine

  • At high mileage, the engine often begins an impressive oil burner;
  • The reliability of knock sensors is quite low, they often have to be changed;
  • Engine speed fluctuates due to throttle fouling;
  • Trouble of the engine in case of failure of the VVT-i phase regulator valve;
  • This power unit is very afraid of overheating;
  • Drivers periodically complain about the refusal to start in severe frost;
  • The motor is prone to increased carbon formation, especially in the manifolds.

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