Engine Peugeot ET3J4

The 1.4-liter Peugeot ET3J4 or KFU engine was produced from 2004 to 2010 in France and was installed on a number of popular compact models of the concern such as 206, 207 or 307. The power unit is essentially only a 16-valve modification of the famous TU3JP engine.

Engines of the ET/EC family: ET3J4, EC5, EC8.

The engine was installed on:

  • Peugeot 206 I (T1) in 2004 – 2006;
  • Peugeot 207 I (A7) in 2006 – 2009;
  • Peugeot 307 I (T5/T6) in 2004 – 2008;
  • Citroen C3 I (A31) in 2004 – 2008;
  • Citroen C4 I (B51) in 2004 – 2010.


Production years 2004-2010
Displacement, cc 1360
Fuel system injector
Power output, hp 88
Torque output, Nm 133
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 75
Piston stroke, mm 77
Compression ratio 11.0
Features no
Hydraulic lifters yes
Timing drive belt
Phase regulator at the intake
Turbocharging no
Recommended engine oil 5W-40
Engine oil capacity, liter 3.0
Fuel type petrol
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Peugeot 307 2005)
— city
— highway
— combined
Engine lifespan, km ~220 000
Weight, kg 99

Disadvantages of the ET3J4 engine

  • A generally reliable engine often worries about trifles, especially about electrics;
  • Many problems are caused by regular failures of the components of the ignition system;
  • Engine speed floats due to a dirty throttle or idle speed controller;
  • The timing belt is designed for 80 thousand km, but its rollers may not pass that much;
  • Any overheating here leads to suffocation of the valve stem seals and burning oil.

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