Engine Peugeot EW12J4

The 2.2-liter Peugeot EW12J4 or 3FZ engine was produced from 1999 to 2009 in France and was installed on popular mid-size concern models such as 406, 407, 607 or 807. There was a modification of this engine with a higher compression ratio EW12E4 or 3FY.

Engines of the EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.

The engine was installed on:

  • Citroen C8 I (V3) in 2002 – 2005;
  • Peugeot 406 I (D8/D9) in 2001 – 2004;
  • Peugeot 407 I (D2) in 2003 – 2009;
  • Peugeot 607 I (Z8/Z9) in 1999 – 2008;
  • Peugeot 807 I (V2) in 2002 – 2005.

Specifications

Production years 1999-2009
Displacement, cc 2231
Fuel system injector
Power output, hp 158 – 163
Torque output, Nm 215 – 220
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 86
Piston stroke, mm 96
Compression ratio 10.8 – 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 5.0
Fuel type petrol
Euro standards EURO 3/4
Fuel consumption, L/100 km (for Peugeot 607 2002)
— city
— highway
— combined
12.5
7.2
9.1
Engine lifespan, km ~275 000
Weight, kg 150

Disadvantages of the EW12J4 engine

  • This engine is structurally complex due to the use of two balancer shafts;
  • Most often, owners complain about oil leaks from oil seals and valve covers;
  • In second place are problems with the ignition system, as well as sensor glitches;
  • At 50,000 km, the phase regulator may knock, at 100,000 km hydraulic lifters;
  • The power unit is quite noisy, especially at idle.

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